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Middle St. Johns - Florida Department of Environmental Protection

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

WBID<br />

2893C<br />

2893C<br />

2893C<br />

2893C<br />

2893C<br />

2893C<br />

2893C<br />

Waterbody<br />

Segment Name<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<br />

<strong>St</strong>. <strong>Johns</strong> River<br />

Above Wekiva<br />

River<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 />

<strong>St</strong>ream 3F Nutrients Nutrients (Chla) Verified<br />

List<br />

<strong>St</strong>ream 3F Selenium Not<br />

Impaired<br />

<strong>St</strong>ream 3F Total Coliform<br />

Bacteria<br />

Not<br />

Impaired<br />

<strong>St</strong>ream 3F Turbidity Not<br />

Impaired<br />

<strong>St</strong>ream 3F Total<br />

Suspended<br />

Solids<br />

Turbidity<br />

<strong>St</strong>ream 3F Un-Ionized<br />

Ammonia<br />

Not<br />

Impaired<br />

Not<br />

Impaired<br />

<strong>St</strong>ream 3F Zinc Not<br />

Impaired<br />

Integrated<br />

Report<br />

Category 1<br />

Priority<br />

for<br />

TMDL<br />

Development<br />

Projected<br />

Year for<br />

TMDL<br />

Development<br />

Comments 3<br />

(# Exceedances/ # Samples)<br />

PP= Planning Period VP= Verified<br />

Period<br />

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

phosphorus based on a TN/TP<br />

median <strong>of</strong> 18 (326 values) during<br />

the PP and a median <strong>of</strong> 18 (189<br />

values) during the VP. PP - 5 chla<br />

annual means exceeded 20 ug/l<br />

(1991-1993, 1999-2000). 327 TN<br />

values, median 1.41 mg/l. 327 TP<br />

values, median 0.08 mg/l. VP - 2<br />

chla annual means exceeded 20<br />

ug/l (1999-2000). 190 TN values,<br />

median 1.42 mg/l. 190 TP values,<br />

median 0.08 mg/l.<br />

2<br />

2<br />

2<br />

2 Delist. 343 TSS (total non-filterable<br />

residue) values, median 10.0 mg/L,<br />

range 1.0 - 140 mg/L. Addressed<br />

by analysis <strong>of</strong> turbidity data.<br />

Turbidity currently is not impaired.<br />

2<br />

2

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