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Middle St. Johns - Florida Department of Environmental Protection

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Water Quality Assessment Report: <strong>Middle</strong> <strong>St</strong>. <strong>Johns</strong> 349<br />

WBID<br />

Waterbody<br />

Segment Name<br />

Waterbody<br />

Type<br />

Waterbody<br />

Class<br />

1998 303(d)<br />

Parameters<br />

<strong>of</strong> Concern<br />

Parameters<br />

Identified Using<br />

the IWR<br />

Proposed<br />

<strong>St</strong>atus<br />

Integrated<br />

Report<br />

Category 1<br />

Priority<br />

for<br />

TMDL<br />

Development<br />

2<br />

Projected Comments 3<br />

Year for<br />

TMDL<br />

Development<br />

Period<br />

2<br />

(# Exceedances/ # Samples)<br />

PP= Planning Period VP= Verified<br />

2998B Lake Mobile Lake 3F No Data 3a<br />

2998C Lake Orienta Lake 3F Nutrients (TSI) Verified<br />

List<br />

5 Medium 2008 Co-limitation <strong>of</strong> nitrogen and<br />

phosphorus based on a TN/TP<br />

median <strong>of</strong> 31 (31 values) during the<br />

PP and a median <strong>of</strong> 30 (696 values)<br />

during the VP. PP - 3 TSI annual<br />

means exceeded 60 (1996, 1999,<br />

2000). VP - 5 TSI annual means<br />

exceeded 60 (1996, 1999-2002).<br />

725 TN values, median 1.26 mg/L,<br />

mean 1.33 mg/L. 726 TP values,<br />

median 0.04 mg/L, mean 0.04 mg/L.<br />

2998D Lake Marion Lake 3F No Data 3a<br />

2998E Lake Adalaide Lake 3F Nutrients (TSI) Verified<br />

List<br />

3000 Lake Pearl Lake 3F Dissolved Oxygen Not<br />

Impaired<br />

3000 Lake Pearl Lake 3F Fecal Coliform Not<br />

Bacteria Impaired<br />

3000 Lake Pearl Lake 3F Nutrients (TSI) Not<br />

Impaired<br />

3000 Lake Pearl Lake 3F Total Coliform Not<br />

Bacteria Impaired<br />

3000 Lake Pearl Lake 3F Turbidity Not<br />

Impaired<br />

3000 Lake Pearl Lake 3F Un-Ionized Not<br />

Ammonia Impaired<br />

3000A Lake Harriet Lake 3F Nutrients (TSI) Not<br />

Impaired<br />

5 Medium 2008 Co-limitation by nitrogen and<br />

phosphorus based on a TN/TP<br />

median <strong>of</strong> 23 (147 values) during<br />

the PP and a median <strong>of</strong> 22 (159<br />

values) during the VP. PP - 1 TSI<br />

annual mean exceeded 60 (1993).<br />

VP - 1 TSI annual mean exceeded<br />

60 (2001). 216 TN values, median<br />

1.02 mg/L. 216 TP values, median<br />

0.05 mg/L.<br />

2<br />

2<br />

2<br />

2<br />

2<br />

2<br />

2

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