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Palma Sola Bay Condition Report for 2015

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Pass

3 out of 3 indicators were rated as PASS.

All three indicators must pass
for the bay to be rated as PASS.

Learn more about how this report is created

Summary:

The overall health of Palma Sola Bay continued to be very good in 2015. While the mean values for both nitrogen and phosphorus concentration rose slightly from 2014, the mean value for chlorophyll a concentration decreased.

Water Quality: Palma Sola Bay retained its “Pass” rating as all three water quality indicators (chlorophyll a, nitrogen, and phosphorus) were below established thresholds. The mean concentration for chlorophyll a decreased significantly, to 0.0039 mg/l, despite slight increases in nutrients. Mean nitrogen concentration increased to 0.601 mg/l, still below the target of 0.74 mg/l. The mean concentration for phosphorus increased to 0.142 mg/l, exceeding the target value of 0.130 mg/l; as a result, the rating for phosphorus was downgraded from “Excellent” to “Good”. The ratings for nitrogen and chlorophyll a remained “Excellent”, as in 2014. The mean for chlorophyll a was calculated as an arithmetic mean and the means for nitrogen and phosphorus were calculated as geometric means (per the Numeric Nutrient Criteria outlined in the Florida Administrative Code, section 62-302.532).

Biotic Indicator: Measurement of the biotic indicator, seagrass, was performed in 2014 by the Southwest Florida Water Management District. The total area of seagrass in Palm Sola Bay was estimated to be 1,548 acres, one and a half times the above the target acreage of 1,031 acres.

Bay Location Map

Bays included in this report:

Water Chemistry Ratings

Total nitrogen, total phosphorus, and chlorophyll a levels are monitored carefully by water resource managers and used by regulatory authorities to determine whether a bay meets the water quality standards mandated by the Clean Water Act. The trend graphs for these indicators are shown below, along with their target and threshold values. A target value is a desirable goal to be attained, while a threshold is an undesirable level which is to be avoided. Learn More about these ratings and how they are calculated »

The Five-year Trend Graphs below illustrate the general trend of water quality parameters. They show a six-month running average, which moderates high and low values in the data.

Excellent

Chlorophyll a

Score: Excellent How was this determined?
Units: mg/l Year
2015
Historical
period of record
High 0.0134 0.0671
Mean 0.0039 0.0074 0.00643641 0.0085000000
Low 0.001 0.0009
No. of Samples 33 566

Five-year Trend Graph

     
1/1/20111.7060.0017000mg/l
2/1/20111.6530.0016800mg/l
3/1/20113.0010.0021200mg/l
4/1/20115.8770.0030600mg/l
5/1/20113.1020.0030600mg/l
6/1/20113.8740.0032000mg/l
7/1/20112.8740.0033900mg/l
8/1/20118.3530.0045100mg/l
9/1/20112.5520.0044400mg/l
10/1/20113.0020.0039600mg/l
11/1/20116.8330.0045800mg/l
12/1/20112.1340.0042900mg/l
1/1/20124.7540.0046000mg/l
2/1/20124.8530.0040200mg/l
3/1/20126.1010.0046100mg/l
4/1/20126.2870.0051600mg/l
5/1/20123.9010.0046700mg/l
6/1/201232.3030.0097000mg/l
7/1/20126.1350.0099300mg/l
8/1/20126.1520.0101400mg/l
9/1/20126.2340.0101700mg/l
10/1/20126.8540.0102600mg/l
11/1/20124.7530.0104000mg/l
12/1/20122.7010.0054700mg/l
1/1/20133.1080.0049600mg/l
2/1/20132.6030.0043700mg/l
3/1/20134.3010.0040500mg/l
4/1/20135.9370.0039000mg/l
5/1/201312.6020.0052100mg/l
6/1/20137.3730.0059800mg/l
7/1/20137.8850.0067800mg/l
8/1/201310.3340.0080700mg/l
9/1/20136.3010.0084000mg/l
10/1/201316.8040.0102100mg/l
11/1/20131.8010.0084100mg/l
12/1/20134.2740.0079000mg/l
1/1/20144.8010.0073800mg/l
2/1/20146.3250.0067200mg/l
3/1/20144.2730.0063800mg/l
4/1/20147.1040.0047600mg/l
6/1/20146.4050.0057800mg/l
7/1/201413.4040.0075000mg/l
8/1/20145.8010.0073900mg/l
9/1/20146.8010.0079000mg/l
10/1/20148.4780.0081700mg/l
11/1/20142.9520.0073000mg/l
12/1/20142.7330.0066900mg/l
1/1/20154.5330.0052100mg/l
2/1/20155.4010.0051500mg/l
3/1/20153.4050.0045800mg/l
4/1/20159.5540.0047600mg/l
5/1/20156.7020.0053900mg/l
6/1/20156.9730.0060900mg/l
7/1/201511.4840.0072500mg/l
8/1/20157.1520.0075400mg/l
9/1/20153.6010.0075800mg/l
10/1/20154.4760.0067300mg/l
11/1/201526.2020.0099800mg/l
12/1/20155.8010.0097800mg/l
Loading Chart...
Target
0.0085 mg/l
Threshold
0.0118 mg/l
Excellent

Nitrogen, Total

Score: Excellent How was this determined?
Units: mg/l Year
2015
Historical
period of record
High 2.02 2.51
Mean 0.6009 0.38701075 0.7400000000
Low 0.04 0.03
No. of Samples 32 502

Five-year Trend Graph

     
1/1/2011416.6760.4166700mg/l
2/1/2011230.0010.3233400mg/l
3/1/20111190.0010.6122200mg/l
4/1/2011683.3360.6300000mg/l
5/1/20111030.0020.7100000mg/l
6/1/2011803.3330.7255600mg/l
7/1/2011607.5040.7573600mg/l
8/1/20111220.0020.9223600mg/l
9/1/20111060.0010.9006900mg/l
10/1/20111370.0011.0151400mg/l
11/1/2011775.0020.9726400mg/l
12/1/2011870.0030.9837500mg/l
1/1/2012515.0040.9683300mg/l
2/1/2012695.0020.8808300mg/l
3/1/20121060.0010.8808300mg/l
4/1/2012843.3360.7930600mg/l
5/1/20121500.0010.9138900mg/l
6/1/2012993.3330.9344400mg/l
7/1/2012612.5040.9506900mg/l
8/1/2012645.0020.9423600mg/l
9/1/2012550.0030.8573600mg/l
10/1/2012785.0040.8476400mg/l
11/1/2012875.0020.7434700mg/l
12/1/20121070.0010.7562500mg/l
1/1/2013433.3360.7263900mg/l
2/1/2013765.0020.7463900mg/l
3/1/2013780.0010.7847200mg/l
4/1/2013593.3360.7527800mg/l
5/1/2013545.0020.6977800mg/l
6/1/2013793.3330.6516700mg/l
7/1/2013732.5040.7015300mg/l
8/1/2013896.6730.7234700mg/l
9/1/20131050.0010.7684700mg/l
10/1/2013572.5040.7650000mg/l
11/1/20131140.0010.8641700mg/l
12/1/2013500.0040.8152800mg/l
1/1/2014830.0010.8315300mg/l
2/1/2014590.0050.7804200mg/l
3/1/2014593.3330.7043100mg/l
4/1/2014312.5040.6609700mg/l
6/1/2014420.0040.5491700mg/l
7/1/2014430.0040.4691700mg/l
8/1/20141000.0010.5511700mg/l
10/1/2014568.5770.6046400mg/l
11/1/2014680.0020.6197100mg/l
12/1/2014570.0030.6497100mg/l
1/1/2015486.6730.6610500mg/l
2/1/2015960.0010.6530500mg/l
3/1/2015578.0050.6405400mg/l
4/1/20151220.0010.7491100mg/l
5/1/2015925.0020.7899500mg/l
6/1/2015723.3330.8155000mg/l
7/1/2015702.5040.8514700mg/l
8/1/2015835.0020.8306400mg/l
9/1/20151180.0010.9309700mg/l
10/1/2015422.0050.7979700mg/l
11/1/20151350.0010.8688100mg/l
12/1/20151080.0010.9282500mg/l
Loading Chart...
Target
0.74 mg/l
Threshold
0.93 mg/l
Good

Phosphorus, Total

Units: mg/l Year
2015
Historical
period of record
High 1.61 1.61
Mean 0.1421 0.17288761 0.1300000000
Low 0.056 0.008
No. of Samples 36 599

Five-year Trend Graph

     
1/1/2011138.0060.1380000mg/l
2/1/201156.0010.0970000mg/l
3/1/2011300.0010.1646700mg/l
4/1/2011113.4370.1518600mg/l
5/1/2011163.0020.1540900mg/l
6/1/2011200.5040.1618200mg/l
7/1/2011114.5040.1579100mg/l
8/1/2011122.0030.1689100mg/l
9/1/2011250.0010.1605700mg/l
10/1/2011178.0020.1713300mg/l
11/1/20111410.0020.3791700mg/l
12/1/2011525.0040.4332500mg/l
1/1/2012176.5040.4435800mg/l
2/1/2012154.0030.4489200mg/l
3/1/2012430.0010.4789200mg/l
4/1/2012282.2970.4963000mg/l
5/1/2012310.0010.3129700mg/l
6/1/2012196.6730.2582400mg/l
7/1/2012155.2050.2546900mg/l
8/1/2012148.0020.2536900mg/l
9/1/2012148.0040.2066900mg/l
10/1/2012133.0040.1818100mg/l
11/1/2012150.6730.1552600mg/l
12/1/2012360.0010.1824800mg/l
1/1/201392.2970.1719900mg/l
2/1/2013150.6730.1724400mg/l
3/1/201356.0010.1571100mg/l
4/1/2013124.0070.1556100mg/l
5/1/2013163.0020.1576600mg/l
6/1/2013104.0030.1149900mg/l
7/1/201378.8050.1127500mg/l
8/1/2013130.5040.1093800mg/l
9/1/2013250.0010.1417200mg/l
10/1/201377.0040.1338800mg/l
11/1/2013290.0010.1550500mg/l
12/1/2013129.5040.1593000mg/l
1/1/2014270.0010.1911700mg/l
2/1/201494.8050.1852200mg/l
3/1/2014114.0030.1625500mg/l
4/1/2014102.0040.1667200mg/l
6/1/201456.0040.1273600mg/l
7/1/2014134.5040.1002600mg/l
8/1/2014330.0010.1473000mg/l
10/1/201472.2970.1482000mg/l
11/1/2014128.0020.1441600mg/l
12/1/2014114.0030.1557600mg/l
1/1/2015120.6730.1529900mg/l
2/1/2015250.0010.1369900mg/l
3/1/2015415.2050.1833600mg/l
4/1/2015147.0040.1958100mg/l
5/1/2015178.0020.2041500mg/l
6/1/2015114.0030.2041500mg/l
7/1/2015124.5040.2047800mg/l
8/1/2015153.0020.1886200mg/l
9/1/2015170.0010.1477500mg/l
10/1/2015570.0060.2182500mg/l
11/1/2015200.0020.2219200mg/l
12/1/2015300.0010.2529200mg/l
Loading Chart...
Target
0.13 mg/l
Threshold
0.26 mg/l

Dissolved Oxygen

Units: mg/l Year
2015
Historical
period of record
High 9.60 11.00
Mean 6.73 6.76 1.40421
Low 3.20 2.20
No. of Samples 47 884

Five-year Trend Graph

     
1/1/20117.48107.4800000mg/l
2/1/20118.0027.7400000mg/l
3/1/20118.2017.8900000mg/l
4/1/20116.8887.6400000mg/l
5/1/20117.2027.5500000mg/l
6/1/20116.6337.4000000mg/l
7/1/20116.1887.1800000mg/l
8/1/20117.0527.0200000mg/l
9/1/20114.2736.3700000mg/l
10/1/20115.3736.1200000mg/l
11/1/20116.6026.0200000mg/l
12/1/20117.4036.1500000mg/l
1/1/20128.4336.5200000mg/l
2/1/20127.0026.5100000mg/l
3/1/20127.7017.0800000mg/l
4/1/20127.7367.4800000mg/l
5/1/20126.1037.3900000mg/l
6/1/20128.0677.5000000mg/l
7/1/20126.5047.1800000mg/l
8/1/20126.7347.1400000mg/l
9/1/20126.8256.9900000mg/l
10/1/20126.6046.8000000mg/l
11/1/20128.2737.1600000mg/l
12/1/20127.7017.1000000mg/l
1/1/20137.4767.2700000mg/l
2/1/20138.0027.4800000mg/l
3/1/20138.7337.8000000mg/l
4/1/20138.3188.0800000mg/l
5/1/20137.6027.9700000mg/l
6/1/20136.5337.7700000mg/l
7/1/20137.1567.7200000mg/l
8/1/20136.9547.5500000mg/l
9/1/20136.1017.1100000mg/l
10/1/20137.9347.0400000mg/l
11/1/20135.9036.7600000mg/l
12/1/20138.1347.0300000mg/l
1/1/20147.8017.1400000mg/l
2/1/20148.3457.3700000mg/l
3/1/20147.4337.5900000mg/l
4/1/20148.0547.6100000mg/l
6/1/20147.1347.7500000mg/l
7/1/20146.7347.5400000mg/l
8/1/20145.4016.9500000mg/l
9/1/20146.0016.6600000mg/l
10/1/20146.5476.3600000mg/l
11/1/20148.2526.6800000mg/l
12/1/20147.5736.7500000mg/l
1/1/20157.8736.9400000mg/l
2/1/20158.3017.4200000mg/l
3/1/20158.0057.7600000mg/l
4/1/20157.2347.8700000mg/l
5/1/20156.8527.6400000mg/l
6/1/20155.8037.3400000mg/l
7/1/20156.3847.0900000mg/l
8/1/20156.9026.8600000mg/l
9/1/20156.4016.5900000mg/l
10/1/20157.5866.6500000mg/l
11/1/20157.7526.8000000mg/l
12/1/20157.6017.1000000mg/l
Loading Chart...
Target
mg/l
Threshold
0.00 mg/l

Apparent Color

Units: PCU Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/201044.25444.2500000PCU
2/1/201045.00344.6300000PCU
3/1/201044.33344.5300000PCU
4/1/201053.00546.6500000PCU
5/1/201060.00249.3200000PCU
6/1/201055.33450.3200000PCU
7/1/201063.75453.5700000PCU
8/1/201084.00360.0700000PCU
9/1/201048.00360.6800000PCU
10/1/201056.75561.3100000PCU
11/1/201070.00262.9700000PCU
12/1/201089.00268.5800000PCU
1/1/201137.67664.2400000PCU
2/1/201151.00358.7400000PCU
3/1/201179.00163.9000000PCU
4/1/201160.67764.5600000PCU
5/1/201148.50260.9700000PCU
6/1/201169.33457.7000000PCU
7/1/201167.75462.7100000PCU
8/1/201152.00362.8800000PCU
9/1/201152.50258.4600000PCU
10/1/201177.00261.1800000PCU
11/1/201158.00362.7600000PCU
12/1/201148.33459.2600000PCU
1/1/201246.50455.7200000PCU
2/1/201288.50361.8100000PCU
3/1/2012126.00174.0600000PCU
4/1/201255.00770.3900000PCU
5/1/201289.00175.5600000PCU
6/1/201236.67373.6100000PCU
7/1/201266.50576.9500000PCU
8/1/201261.00272.3600000PCU
9/1/201261.00261.5300000PCU
Loading Chart...

BOD, Biochemical oxygen demand

Units: mg/l Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
Loading Chart...

Dissolved oxygen saturation

Units: percent (%) Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/201092.90492.9000000percent (%)
2/1/201085.29389.1000000percent (%)
3/1/201082.23286.8100000percent (%)
4/1/201081.70485.5300000percent (%)
5/1/2010129.46194.3200000percent (%)
6/1/2010121.85198.9100000percent (%)
7/1/2010102.444100.5000000percent (%)
8/1/2010114.726105.4000000percent (%)
9/1/201080.923105.1800000percent (%)
10/1/2010129.583113.1600000percent (%)
11/1/201077.973104.5800000percent (%)
12/1/201078.84397.4100000percent (%)
1/1/201182.28794.0500000percent (%)
2/1/2011104.84192.4100000percent (%)
4/1/201197.30588.2500000percent (%)
5/1/2011112.88195.2300000percent (%)
6/1/2011105.891100.6400000percent (%)
7/1/201193.475102.8800000percent (%)
8/1/2011121.471106.2000000percent (%)
9/1/201152.65197.2800000percent (%)
10/1/201173.82293.3600000percent (%)
11/1/2011101.58191.4800000percent (%)
12/1/2011102.40190.9000000percent (%)
1/1/2012120.00195.3200000percent (%)
2/1/2012102.03192.0800000percent (%)
4/1/2012120.313109.2600000percent (%)
5/1/201289.053106.7600000percent (%)
6/1/2012106.827107.6400000percent (%)
7/1/201297.484103.1400000percent (%)
8/1/2012102.554103.2400000percent (%)
9/1/2012101.435102.9400000percent (%)
10/1/201292.63498.3300000percent (%)
11/1/2012104.823100.9600000percent (%)
12/1/201294.80198.9500000percent (%)
1/1/201393.83798.3400000percent (%)
2/1/201399.05297.7600000percent (%)
3/1/2013112.73399.6400000percent (%)
4/1/2013111.718102.8200000percent (%)
5/1/2013107.302103.2400000percent (%)
6/1/2013100.633104.2100000percent (%)
7/1/2013110.036106.9100000percent (%)
8/1/2013106.634108.1700000percent (%)
9/1/201380.201102.7500000percent (%)
10/1/2013114.404103.2000000percent (%)
11/1/201379.25398.5200000percent (%)
12/1/2013102.50498.8400000percent (%)
1/1/201485.30194.7100000percent (%)
2/1/2014108.76595.0700000percent (%)
3/1/201495.33397.5900000percent (%)
4/1/2014106.05496.2000000percent (%)
6/1/2014108.525100.7900000percent (%)
7/1/2014103.454104.4200000percent (%)
8/1/201473.10197.2900000percent (%)
9/1/201477.20193.6600000percent (%)
10/1/201492.43790.9400000percent (%)
11/1/201499.25292.3300000percent (%)
12/1/201491.87389.5500000percent (%)
1/1/201599.10388.8300000percent (%)
2/1/201589.40191.5400000percent (%)
3/1/2015116.08598.0200000percent (%)
4/1/2015106.584100.3800000percent (%)
5/1/2015101.202100.7100000percent (%)
6/1/201586.67399.8400000percent (%)
7/1/2015100.154100.0100000percent (%)
8/1/2015101.802102.0800000percent (%)
9/1/201581.20196.2700000percent (%)
10/1/2015108.72696.6200000percent (%)
11/1/2015106.95297.5800000percent (%)
12/1/201591.90198.4500000percent (%)
Loading Chart...
Target
percent (%)
Threshold
percent (%)

Karenia brevis

Units: #/l Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
Loading Chart...

Light Attenuation

Note: Light attenuation data collection began in 2012, prior years are not available.
Units: K(1/m) Year
2015
Historical
period of record
High 2.01
Mean 0.97 0.39811
Low 0.02
No. of Samples 0 68

Five-year Trend Graph

     
1/1/20120.7930.7900000K(1/m)
2/1/20120.9510.8700000K(1/m)
4/1/20120.9150.8800000K(1/m)
6/1/20121.6831.0800000K(1/m)
7/1/20121.5031.2600000K(1/m)
8/1/20120.7711.2200000K(1/m)
9/1/20121.0221.1800000K(1/m)
10/1/20121.1031.2100000K(1/m)
11/1/20120.7211.1300000K(1/m)
2/1/20130.6910.8800000K(1/m)
6/1/20131.0620.8800000K(1/m)
7/1/20131.0030.9200000K(1/m)
8/1/20131.0321.0300000K(1/m)
10/1/20130.9931.0200000K(1/m)
12/1/20130.1820.8000000K(1/m)
2/1/20140.9440.7000000K(1/m)
3/1/20140.2920.6000000K(1/m)
6/1/20140.7240.6500000K(1/m)
10/1/20140.9360.8300000K(1/m)
11/1/20141.3210.9900000K(1/m)
4/1/20151.0131.1700000K(1/m)
5/1/20151.2711.1400000K(1/m)
6/1/20150.8521.0400000K(1/m)
7/1/20151.0031.0300000K(1/m)
8/1/20151.2411.0700000K(1/m)
10/1/20151.1751.1100000K(1/m)
11/1/20150.6910.9900000K(1/m)
Loading Chart...
Target
K(1/m)
Threshold
0.00 K(1/m)

Nitrogen, Ammonia + Ammonium as N

Units: ug/l Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
Loading Chart...

Nitrogen, Kjeldahl

Units: ug/l Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/2010452.504452.5000000ug/l
2/1/2010533.333492.9200000ug/l
3/1/2010850.001611.9400000ug/l
4/1/2010466.005575.4600000ug/l
5/1/2010505.002561.3700000ug/l
6/1/2010462.504544.8900000ug/l
7/1/2010640.004576.1400000ug/l
8/1/2010566.673581.7000000ug/l
9/1/2010813.333575.5800000ug/l
10/1/2010632.005603.2500000ug/l
11/1/2010665.002629.9200000ug/l
12/1/2010810.002687.8300000ug/l
1/1/2011341.676638.1100000ug/l
2/1/2011200.001577.0000000ug/l
3/1/20111020.001611.4500000ug/l
4/1/2011528.577594.2100000ug/l
5/1/2011940.002640.0400000ug/l
6/1/2011652.504613.7900000ug/l
7/1/2011530.004645.1800000ug/l
8/1/2011936.673767.9600000ug/l
9/1/2011820.002734.6200000ug/l
10/1/2011540.002736.5300000ug/l
11/1/2011716.673699.3100000ug/l
12/1/2011590.004688.8900000ug/l
1/1/2012417.504670.1400000ug/l
2/1/2012413.333582.9200000ug/l
3/1/2012920.001599.5800000ug/l
4/1/2012671.437621.4900000ug/l
5/1/20121370.001730.3800000ug/l
6/1/2012963.333792.6000000ug/l
7/1/2012426.005794.0200000ug/l
8/1/2012515.002810.9600000ug/l
9/1/2012315.004710.1300000ug/l
10/1/2012692.504713.6400000ug/l
11/1/2012490.003566.9700000ug/l
12/1/2012800.001539.7500000ug/l
1/1/2013292.508517.5000000ug/l
2/1/2013513.333517.2200000ug/l
3/1/2013520.001551.3900000ug/l
4/1/2013528.577524.0700000ug/l
5/1/2013515.002528.2300000ug/l
6/1/2013710.003513.2300000ug/l
7/1/2013534.005553.4800000ug/l
8/1/2013865.004612.1000000ug/l
9/1/2013830.001663.7600000ug/l
10/1/2013455.004651.5000000ug/l
11/1/2013840.001705.6700000ug/l
12/1/2013405.004654.8300000ug/l
1/1/2014600.001665.8300000ug/l
2/1/2014520.005608.3300000ug/l
3/1/2014496.673552.7800000ug/l
4/1/2014240.004516.9500000ug/l
6/1/2014384.005448.1300000ug/l
7/1/2014350.004398.1300000ug/l
8/1/2014760.001446.1300000ug/l
10/1/2014452.508486.6300000ug/l
11/1/2014520.002493.3000000ug/l
12/1/2014413.333499.1700000ug/l
1/1/2015386.673506.5000000ug/l
2/1/2015710.001496.5000000ug/l
3/1/2015548.005505.0800000ug/l
4/1/20151080.001609.6700000ug/l
5/1/2015815.002658.8300000ug/l
6/1/2015630.003694.9500000ug/l
7/1/2015640.004737.1700000ug/l
8/1/2015650.002727.1700000ug/l
9/1/2015850.001777.5000000ug/l
10/1/2015392.005662.8300000ug/l
11/1/2015925.002681.1700000ug/l
12/1/2015790.001707.8300000ug/l
Loading Chart...

Nitrogen, Nitrite + Nitrate as N

Units: ug/l Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/2010100.004100.0000000ug/l
2/1/2010150.003125.0000000ug/l
3/1/2010146.673132.2200000ug/l
4/1/201060.005114.1700000ug/l
5/1/201030.00297.3300000ug/l
6/1/201080.00494.4500000ug/l
7/1/201070.00489.4500000ug/l
8/1/2010116.67383.8900000ug/l
9/1/2010156.67385.5600000ug/l
10/1/2010132.00597.5600000ug/l
11/1/201030.00297.5600000ug/l
12/1/2010185.002115.0600000ug/l
1/1/201175.006115.8900000ug/l
2/1/201130.002101.4500000ug/l
3/1/2011170.001103.6700000ug/l
4/1/201162.86792.1400000ug/l
5/1/201190.002102.1400000ug/l
6/1/201130.00376.3100000ug/l
7/1/201177.50476.7300000ug/l
8/1/2011106.67389.5100000ug/l
9/1/2011230.00199.5100000ug/l
10/1/2011165.002116.5300000ug/l
11/1/201193.333117.0800000ug/l
12/1/2011102.504129.1700000ug/l
1/1/201297.504132.5000000ug/l
2/1/2012106.673132.5000000ug/l
3/1/2012140.001117.5000000ug/l
4/1/201257.14799.5200000ug/l
5/1/2012130.001105.6400000ug/l
6/1/201230.00393.5500000ug/l
7/1/201272.00589.3000000ug/l
8/1/2012130.00293.1900000ug/l
9/1/2012107.50487.7700000ug/l
10/1/201292.50493.6700000ug/l
11/1/2012126.67393.1100000ug/l
12/1/2012270.001133.1100000ug/l
1/1/201362.867131.5900000ug/l
2/1/2013100.003126.5900000ug/l
3/1/2013260.001152.0100000ug/l
4/1/201360.007146.5900000ug/l
5/1/201330.002130.4800000ug/l
6/1/201383.33399.3700000ug/l
7/1/201372.005100.8900000ug/l
8/1/201330.00389.2200000ug/l
9/1/2013220.00182.5600000ug/l
10/1/2013117.50492.1400000ug/l
11/1/2013300.001137.1400000ug/l
12/1/201395.004139.0800000ug/l
1/1/2014230.001165.4200000ug/l
2/1/201470.005172.0800000ug/l
3/1/201496.673151.5300000ug/l
4/1/201472.504144.0300000ug/l
6/1/201430.00499.8300000ug/l
7/1/201480.00469.8300000ug/l
8/1/2014240.001103.8300000ug/l
9/1/2014310.001146.5000000ug/l
10/1/201452.867142.5700000ug/l
11/1/2014160.002145.4800000ug/l
12/1/2014156.673166.5900000ug/l
1/1/201594.003168.9200000ug/l
2/1/2015250.001170.5900000ug/l
3/1/201521.005122.4200000ug/l
4/1/201550.754122.0700000ug/l
5/1/2015105.502112.9900000ug/l
6/1/201587.333101.4300000ug/l
7/1/201555.75495.0600000ug/l
8/1/2015180.50283.4700000ug/l
9/1/2015330.001134.9700000ug/l
10/1/201574.176138.8800000ug/l
11/1/2015310.001172.9600000ug/l
12/1/2015290.001206.7400000ug/l
Loading Chart...

pH

Units: None Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/20107.9657.9600000None
2/1/20107.7347.8500000None
3/1/20107.7547.8100000None
4/1/20107.8657.8300000None
5/1/20107.8027.8200000None
6/1/20108.0337.8600000None
7/1/20108.0657.8700000None
8/1/20107.8457.8900000None
9/1/20108.0547.9400000None
10/1/20107.9657.9600000None
11/1/20107.8037.9600000None
12/1/20107.5337.8700000None
1/1/20118.0087.8600000None
2/1/20117.7527.8500000None
3/1/20117.6017.7700000None
4/1/20118.0677.7900000None
5/1/20117.7027.7700000None
6/1/20117.8737.8300000None
7/1/20118.0867.8400000None
8/1/20117.6527.8300000None
9/1/20117.5527.8200000None
10/1/20117.5527.7300000None
11/1/20117.9527.7800000None
12/1/20117.9037.7800000None
1/1/20127.9737.7600000None
2/1/20127.7527.7800000None
3/1/20127.6017.7900000None
4/1/20127.9867.8600000None
5/1/20127.8527.8400000None
6/1/20128.1257.8800000None
7/1/20127.7057.8300000None
8/1/20127.6737.8200000None
9/1/20127.7047.8400000None
10/1/20127.7857.8000000None
11/1/20127.6337.7700000None
12/1/20127.5017.6600000None
1/1/20137.9767.7100000None
2/1/20137.8027.7300000None
3/1/20137.5527.7100000None
4/1/20137.9777.7400000None
5/1/20138.0527.8100000None
6/1/20137.8337.8600000None
7/1/20137.8657.8400000None
8/1/20137.8547.8500000None
9/1/20137.3017.8100000None
10/1/20138.1047.8300000None
11/1/20137.7527.7800000None
12/1/20138.0547.8200000None
1/1/20147.5017.7600000None
2/1/20148.0257.7900000None
3/1/20147.5737.8300000None
4/1/20148.0847.8300000None
6/1/20148.0047.8300000None
7/1/20147.9847.9300000None
8/1/20147.9527.9200000None
9/1/20147.7027.9400000None
10/1/20147.9687.9200000None
11/1/20147.9527.9200000None
12/1/20147.8737.9000000None
1/1/20157.6337.8400000None
2/1/20157.4017.7500000None
3/1/20158.0857.8200000None
4/1/20158.0347.8300000None
5/1/20158.0027.8400000None
6/1/20157.8037.8200000None
7/1/20158.2547.9300000None
8/1/20157.8528.0000000None
9/1/20157.3017.8700000None
10/1/20158.1177.8900000None
11/1/20157.9737.8800000None
12/1/20158.0027.9100000None
Loading Chart...

Rainfall

Units: inches/yr Year
2015
Historical
period of record
High 47.62 56.04
Mean 35.67 15.5734151547865
Low 7.01
No. of Samples 365 5,345

Five-year Trend Graph

     
1/1/20113.11313.1100000inches
2/1/20110.66280.6600000inches
3/1/20118.38318.3800000inches
4/1/20111.28301.2800000inches
5/1/20112.13312.1300000inches
6/1/20112.93302.9300000inches
7/1/20117.79317.7900000inches
8/1/20118.21318.2100000inches
9/1/20115.64305.6400000inches
10/1/20111.84301.8400000inches
11/1/20110.97300.9700000inches
12/1/20110.22300.2200000inches
1/1/20120.55290.5500000inches
2/1/20120.63290.6300000inches
3/1/20121.70311.7000000inches
4/1/20122.62242.6200000inches
5/1/20121.33311.3300000inches
6/1/201217.533017.5300000inches
7/1/20123.21313.2100000inches
8/1/20125.79315.7900000inches
9/1/20123.02303.0200000inches
10/1/20124.14314.1400000inches
11/1/20120.00280.0000000inches
12/1/20121.22311.2200000inches
1/1/20130.13310.1300000inches
2/1/20131.10231.1000000inches
3/1/20131.38311.3800000inches
4/1/20133.42303.4200000inches
5/1/20133.31313.3100000inches
6/1/201312.213012.2100000inches
7/1/20138.36318.3600000inches
8/1/201312.313112.3100000inches
9/1/201311.613011.6100000inches
10/1/20131.19311.1900000inches
11/1/20130.85300.8500000inches
12/1/20130.17310.1700000inches
1/1/20142.20312.2000000inches
2/1/20143.14283.1400000inches
3/1/20145.04315.0400000inches
4/1/20141.48291.4800000inches
5/1/20146.43316.4300000inches
6/1/20143.64303.6400000inches
7/1/20144.83314.8300000inches
8/1/20141.73281.7300000inches
9/1/20147.33257.3300000inches
10/1/20142.34292.3400000inches
11/1/20143.76303.7600000inches
12/1/20140.38310.3800000inches
1/1/20151.26311.2600000inches
2/1/20153.59283.5900000inches
3/1/20151.13311.1300000inches
4/1/20151.14301.1400000inches
5/1/20153.68313.6800000inches
6/1/20155.92305.9200000inches
7/1/201510.803110.8000000inches
8/1/20156.46316.4600000inches
9/1/20157.54307.5400000inches
10/1/20153.25313.2500000inches
11/1/20150.73300.7300000inches
12/1/20152.12312.1200000inches
Loading Chart...
Target
inches/yr
Threshold
inches/yr

Salinity

Units: PSS Year
2015
Historical
period of record
High 39.50 41.50
Mean 30.5 29.05 8.25295
Low 8.50 0.20
No. of Samples 34 890

Five-year Trend Graph

     
1/1/201124.96924.9600000PSS
2/1/201131.50128.2300000PSS
4/1/201134.44730.3000000PSS
5/1/201134.30131.3000000PSS
6/1/201135.50232.1400000PSS
7/1/201132.87633.7200000PSS
8/1/201136.00134.6200000PSS
9/1/201126.35233.2400000PSS
10/1/201125.60231.7700000PSS
11/1/201132.20131.4200000PSS
12/1/201132.55230.9300000PSS
1/1/201233.35231.0100000PSS
2/1/201234.50130.7600000PSS
4/1/201235.74533.6700000PSS
5/1/201224.60332.1500000PSS
6/1/201225.80730.8000000PSS
7/1/201221.53628.4300000PSS
8/1/201225.18426.5700000PSS
9/1/201225.20526.3400000PSS
10/1/201225.45624.6300000PSS
11/1/201224.70524.6400000PSS
12/1/20123.60120.9400000PSS
1/1/201327.90722.0100000PSS
2/1/201317.20220.6800000PSS
3/1/201323.93320.4600000PSS
4/1/201322.56819.9800000PSS
5/1/201319.35219.0900000PSS
6/1/201323.60322.4200000PSS
7/1/201328.72622.5600000PSS
8/1/201323.63423.6300000PSS
9/1/20133.10120.1600000PSS
10/1/201321.08419.9100000PSS
11/1/201327.57321.2800000PSS
12/1/201323.90421.3300000PSS
1/1/20143.50117.1300000PSS
2/1/201425.94517.5200000PSS
3/1/201421.73320.6200000PSS
4/1/201424.58421.2000000PSS
6/1/201428.24520.8000000PSS
7/1/201426.25425.3500000PSS
8/1/20146.60121.4800000PSS
9/1/20142.60117.6500000PSS
10/1/201424.93717.7200000PSS
11/1/201417.10217.6200000PSS
12/1/201421.80316.5500000PSS
1/1/201524.27316.2200000PSS
2/1/20150.60115.2200000PSS
3/1/201529.02519.6200000PSS
4/1/201526.03419.8000000PSS
5/1/201520.25220.3300000PSS
6/1/201524.27320.7400000PSS
7/1/201529.33421.5800000PSS
8/1/201517.10224.3300000PSS
9/1/20151.40119.7300000PSS
10/1/201523.43619.3000000PSS
11/1/201518.35218.9800000PSS
12/1/20159.00116.4400000PSS
Loading Chart...

Specific conductance

Units: umho Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/201037480.00437480.0000000umho
2/1/201027245.00232362.5000000umho
3/1/201033356.67332693.8900000umho
4/1/201036325.00433601.6700000umho
5/1/201035710.00234023.3300000umho
6/1/201035270.00334231.1100000umho
7/1/201038340.00434374.4500000umho
8/1/201031830.00235138.6100000umho
9/1/201035241.00335452.6700000umho
10/1/201037356.75435624.6300000umho
11/1/201028426.00234410.6300000umho
12/1/20102963.00129026.1300000umho
1/1/201129483.83627550.1000000umho
2/1/201124988.50226409.8500000umho
3/1/20116097.00121552.5100000umho
4/1/201144027.33622664.2800000umho
5/1/201130196.00222959.2800000umho
6/1/201138162.67328825.8900000umho
7/1/201142632.50431017.3300000umho
8/1/201128087.00231533.7500000umho
9/1/20111695.00130800.0800000umho
10/1/201110576.00125224.8600000umho
11/1/201137156.00326384.8600000umho
12/1/201134394.33325756.8100000umho
1/1/201235668.67324596.1700000umho
2/1/201231108.50225099.7500000umho
3/1/20124140.00125507.2500000umho
4/1/201245336.00631300.5800000umho
5/1/20129684.00126721.9200000umho
6/1/201230420.00326059.5300000umho
7/1/201237190.25426313.1300000umho
8/1/201229461.50226038.6300000umho
9/1/201235338.67331238.4000000umho
10/1/201236473.50429761.3200000umho
11/1/201226043.00232487.8200000umho
12/1/20126575.00128513.6500000umho
1/1/201342663.86729425.9200000umho
2/1/201326427.50228920.2600000umho
3/1/20137963.00124357.6400000umho
4/1/201330913.17623430.9200000umho
5/1/201329768.00224051.7600000umho
6/1/201336265.00329000.0900000umho
7/1/201346323.33329610.0000000umho
8/1/201336564.25431299.4600000umho
9/1/20135710.00130923.9600000umho
10/1/201333273.75431317.3900000umho
11/1/20132624.00126793.3900000umho
12/1/201336735.50426871.8100000umho
1/1/20146306.00120202.2500000umho
2/1/201440014.60520777.3100000umho
3/1/201433260.33325369.0300000umho
4/1/201438072.50426168.8200000umho
6/1/201443265.80532183.8500000umho
7/1/201440177.00438958.0500000umho
8/1/201411710.00133297.1300000umho
9/1/20144867.00127618.4600000umho
10/1/201438617.57727727.4700000umho
11/1/201426841.50227579.8100000umho
12/1/201433960.00326028.8500000umho
1/1/201537733.33325621.5700000umho
2/1/20151152.00123861.9000000umho
3/1/201544830.00530522.4000000umho
4/1/201539941.00430742.9700000umho
5/1/201531705.00231553.5600000umho
6/1/201537262.33332103.9400000umho
7/1/201545197.50433347.9700000umho
8/1/201526918.00237642.3100000umho
9/1/20152768.00130631.9700000umho
10/1/201536557.50630068.0600000umho
11/1/201528644.00229557.8900000umho
12/1/201515450.00125922.5000000umho
Loading Chart...

Temperature, water

Units: deg F Year
2015
Historical
period of record
High
Mean
Low
No. of Samples

Five-year Trend Graph

     
1/1/201057.02657.0200000deg F
2/1/201057.95657.4900000deg F
3/1/201060.35458.4400000deg F
4/1/201072.38661.9300000deg F
5/1/201082.40266.0200000deg F
6/1/201085.40369.2500000deg F
7/1/201083.81673.7200000deg F
8/1/201086.14878.4100000deg F
9/1/201083.98582.3500000deg F
10/1/201075.78582.9200000deg F
11/1/201070.93481.0100000deg F
12/1/201058.17576.4700000deg F
1/1/201160.401072.5700000deg F
2/1/201165.30269.0900000deg F
3/1/201169.80166.7300000deg F
4/1/201180.15867.4600000deg F
5/1/201181.50269.2200000deg F
6/1/201183.00373.3600000deg F
7/1/201185.33877.5100000deg F
8/1/201185.10280.8100000deg F
9/1/201184.20283.2100000deg F
10/1/201176.52382.6100000deg F
11/1/201172.50281.1100000deg F
12/1/201168.60378.7100000deg F
1/1/201266.80375.6200000deg F
2/1/201271.60273.3700000deg F
3/1/201277.00172.1700000deg F
4/1/201279.10672.6000000deg F
5/1/201282.88374.3300000deg F
6/1/201283.79776.8600000deg F
7/1/201286.51680.1500000deg F
8/1/201285.91482.5300000deg F
9/1/201283.34583.5900000deg F
10/1/201277.78683.3700000deg F
11/1/201269.76581.1800000deg F
12/1/201277.00180.0500000deg F
1/1/201365.90676.6200000deg F
2/1/201367.10273.4800000deg F
3/1/201368.12370.9400000deg F
4/1/201374.08870.3300000deg F
5/1/201381.50272.2800000deg F
6/1/201389.00374.2800000deg F
7/1/201384.86677.4400000deg F
8/1/201387.35480.8200000deg F
9/1/201384.20183.5000000deg F
10/1/201382.85484.9600000deg F
11/1/201374.18383.7400000deg F
12/1/201367.55480.1700000deg F
1/1/201466.20177.0600000deg F
2/1/201469.80574.1300000deg F
3/1/201469.80371.7300000deg F
4/1/201471.60469.8600000deg F
5/1/201478.26270.5400000deg F
6/1/201486.00473.6100000deg F
7/1/201485.55476.8400000deg F
8/1/201488.52279.9600000deg F
9/1/201485.82282.6300000deg F
10/1/201478.66983.8000000deg F
11/1/201467.10281.9400000deg F
12/1/201465.60378.5400000deg F
1/1/201567.40375.5200000deg F
2/1/201566.20171.8000000deg F
3/1/201578.44570.5700000deg F
4/1/201581.95471.1200000deg F
5/1/201585.10274.1200000deg F
6/1/201584.20377.2200000deg F
7/1/201586.90480.4700000deg F
8/1/201586.00283.7700000deg F
9/1/201580.60184.1300000deg F
10/1/201580.69883.9200000deg F
11/1/201580.18383.1000000deg F
12/1/201574.48381.4800000deg F
Loading Chart...

Turbidity

Units: NTU Year
2015
Historical
period of record
High 4.50 28.60
Mean 2.32 2.49 2.19415
Low 0.90 0.01
No. of Samples 41 941

Five-year Trend Graph

     
1/1/20111.6581.6500000NTU
2/1/20111.8521.7500000NTU
3/1/20112.0011.8300000NTU
4/1/20112.8772.0900000NTU
5/1/20111.6522.0000000NTU
6/1/20112.7032.1200000NTU
7/1/20112.6062.2800000NTU
8/1/20112.3522.3600000NTU
9/1/20111.9022.3500000NTU
10/1/20112.1022.2200000NTU
11/1/20113.1732.4700000NTU
12/1/20112.3032.4000000NTU
1/1/20122.3542.3600000NTU
2/1/20123.4522.5500000NTU
3/1/20122.4012.6300000NTU
4/1/20122.9762.7700000NTU
6/1/20123.5032.9300000NTU
7/1/20122.6042.9800000NTU
8/1/20122.0022.6900000NTU
9/1/20122.5032.7100000NTU
10/1/20122.7342.6700000NTU
11/1/20121.4012.4600000NTU
12/1/20123.4012.4400000NTU
1/1/20131.8472.3100000NTU
2/1/20131.7522.2700000NTU
3/1/20134.4012.5900000NTU
4/1/20131.8862.4500000NTU
5/1/20131.9522.5400000NTU
6/1/20132.3032.3500000NTU
7/1/20131.4842.2900000NTU
8/1/20131.7842.3000000NTU
9/1/20131.7011.8500000NTU
10/1/20131.7041.8200000NTU
11/1/20133.4012.0600000NTU
12/1/20131.6541.9500000NTU
1/1/20141.8012.0100000NTU
2/1/20142.2252.0800000NTU
3/1/20141.7732.0900000NTU
4/1/20141.5842.0700000NTU
6/1/20141.9841.8700000NTU
7/1/20142.9342.1000000NTU
8/1/20144.3012.5100000NTU
9/1/20142.0012.5600000NTU
10/1/20142.0772.6600000NTU
11/1/20141.6022.4800000NTU
12/1/20141.4032.3800000NTU
1/1/20151.6732.1700000NTU
2/1/20152.7011.9100000NTU
3/1/20157.3052.7900000NTU
4/1/20151.6842.7300000NTU
5/1/20151.8022.7600000NTU
6/1/20153.8033.1600000NTU
7/1/20152.7543.3400000NTU
8/1/20152.8023.3600000NTU
9/1/20152.6012.5700000NTU
10/1/20151.6862.5700000NTU
11/1/20152.2022.6400000NTU
12/1/20154.6012.7700000NTU
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Other Measures of Bay Health

In addition to nutrient levels and chlorophyll concentration, dissolved oxygen levels, and water clarity are also objective indicators of bay health. These have complex interactive cycles which are affected by rainfall, temperature, and tidal action, as well as other factors. High nutrient levels (nitrogen and phosphorus) can stimulate excessive growth of marine algae (indicated by chlorophyll a level), resulting in reduced water clarity (and increased light attenuation) and depleted oxygen levels. Both plants and animals in a bay need oxygen to survive, and the seagrasses which provide food and cover for bay creatures need light for photosynthesis.

Bay Contour Maps (2015)

Contour mapping is one of the best ways to visualize spatial differences in coastal water quality. The interactive map shown below presents monthly data for one selected water quality indicator atop an aerial view of the bay. Choose a different water quality parameter from the list at the top to change the map. Learn More about Water Quality Contour Mapping »

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Contour Visibility:

Visit the Water Quality Contour Mapping Tool to view and compare monthly water quality contour maps for ten different water quality indicators. In addition, you can generate your own custom maps.

Contour Legend:

  • Less than 1 mg/l
  • 1.0 - 5.9 mg/l
  • 6.0 - 10.9 mg/l
  • 11.0 - 17.9 mg/l
  • Greater than 18 mg/l

Seagrasses

Among the most important habitats in Florida's estuarine environments, seagrass beds are indispensable for the role they play in cycling nutrients, supplying food for wildlife, stabilizing sediments, and providing habitat for juvenile and adult finfish and shellfish. Use the interactive map below to observe the size, density and location of seagrass beds from year to year. The graph shows how the total amount of seagrass in the bay has changed over time. Learn More about Seagrasses »

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Target
1,031 acres

Land Use / Land Cover

Land use within a bay's watershed has a major effect on its water quality. In general, less development means better water quality. Land Cover/Land Use classifications categorize land in terms of its observed physical surface characteristics (upland or wetland, e.g.), and also reflect the types of activity that are taking place on it (agriculture, urban/built-up, utilities, etc.). Florida uses as its standard a set of statewide classifications which were developed by the Florida Department of Transportation. Learn More about Land Use and Land Cover »

Palma Sola Bay is located within the Sarasota Bay Watershed. The chart below shows the land use / land cover characteristics for Sarasota Bay Watershed within the boundary of this Water Atlas. View details about the Sarasota Bay Watershed »

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