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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> 307<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 />

2997O Park Lake Lake 3F Un-Ionized<br />

Ammonia<br />

Not<br />

Impaired<br />

2997P Lake Concord Lake 3F Dissolved Oxygen Not<br />

Impaired<br />

2997P Lake Concord Lake 3F Fecal Coliform Not<br />

Bacteria Impaired<br />

2997P Lake Concord Lake 3F Nutrients (TSI) Verified<br />

List<br />

2997P Lake Concord Lake 3F Total Coliform<br />

Bacteria<br />

Not<br />

Impaired<br />

2997P Lake Concord Lake 3F Turbidity Not<br />

Impaired<br />

2997P Lake Concord Lake 3F Un-Ionized Not<br />

Ammonia Impaired<br />

2997Q Lake Dot Lake 3F Dissolved Oxygen Not<br />

Impaired<br />

2997Q Lake Dot Lake 3F Fecal Coliform Planning<br />

Bacteria List<br />

Integrated<br />

Report<br />

Category 1<br />

2<br />

2<br />

2<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 />

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

phosphorus based on a TN/TP<br />

median <strong>of</strong> 17 (284 values) during<br />

the PP and a median <strong>of</strong> 17 (203<br />

values) during the VP. PP - 2 TSI<br />

annual means exceed threshold <strong>of</strong><br />

60 (1996, 2000). VP - 2 TSI annual<br />

means exceed threshold <strong>of</strong> 60<br />

(1996, 2000). 254 TN values,<br />

median 0.71 mg/L, mean 0.74 mg/L.<br />

313 TP values, median 0.04 mg/L,<br />

mean 0.05 mg/L.<br />

2<br />

2<br />

2<br />

2<br />

3c PP - 3/15 values exceed criterion.<br />

VP - 2/7 values exceed criterion.

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