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Online tools, GIS, data

2014 Water quality
status and trends report summary table

Springs

Note: See Report page for definitions.

Trend results by analyte
(expressed as the percent of sites)

Analyte

Decreasing

Increasing

Insufficient Data

Stable

No Data

Ca Mg hardness
(calculated mg/L as CaCO3)

6.5

41.9

22.6

29.0

0.0

color
(platinum-cobalt units)

12.9

0.0

83.9

3.2

0.0

corrected chlorophyll-a
(µg/L)

0.0

0.0

32.3

3.2

64.5

dissolved ammonia nitrogen
(µg/L as N)

0.0

3.2

38.7

12.9

45.2

dissolved nitrite and nitrate
(µg/L as N)

9.7

3.2

83.9

3.2

0.0

dissolved oxygen analysis by probe
(mg/L)

3.2

9.7

67.7

19.4

0.0

lab turbidity
(NTU)

0.0

0.0

77.4

19.4

3.2

pH
(standard units)

32.3

0.0

22.6

45.2

0.0

specific conductance field
(uhmhos/cm at 25° C)

3.2

35.5

22.6

38.7

0.0

total alkalinity
(mg/L as CaCO3)

0.0

48.4

22.6

29.0

0.0

total calcium
(mg/L as Ca)

3.2

35.5

22.6

38.7

0.0

total chloride
(mg/L)

6.5

35.5

22.6

35.5

0.0

total dissolved solids
(mg/L dried at 180° C)

12.9

19.4

9.7

38.7

19.4

total kjeldahl nitrogen
(µg/L as N)

6.5

3.2

67.7

22.6

0.0

total magnesium
(mg/L as Mg)

6.5

35.5

22.6

35.5

0.0

total nitrite and nitrate
(µg/L as N)

12.9

9.7

29.0

38.7

9.7

total nitrogen
(µg/L as N)

22.6

3.2

67.7

6.5

0.0

total organic carbon
(mg/L as C)

0.0

3.2

16.1

25.8

54.8

total phosphorus
(µg/L as P)

0.0

25.8

22.6

51.6

0.0

total potassium
(mg/L as K)

9.7

29.0

25.8

35.5

0.0

total sodium
(mg/L as Na)

9.7

38.7

22.6

29.0

0.0

total sulfate
(mg/L as SO4)

9.7

32.3

22.6

35.5

0.0

total suspended solids
(mg/L)

0.0

0.0

38.7

16.1

45.2

water temperature
(°C)

0.0

3.2

22.6

74.2

0.0

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St. Johns River Water Management District
4049 Reid Street, Palatka, FL 32177
(800) 725-5922