25.12.2014 Views

Middle St. Johns - Florida Department of Environmental Protection

Middle St. Johns - Florida Department of Environmental Protection

Middle St. Johns - Florida Department of Environmental Protection

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

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

WBID<br />

Waterbody<br />

Segment Name<br />

2984 Six Mile Creek<br />

(formerly Lake<br />

Nan)<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 />

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

Ammonia<br />

Proposed<br />

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

Not<br />

Impaired<br />

2984A Lake Jennie Lake 3F Insufficient<br />

Data<br />

2985 Chub Creek <strong>St</strong>ream 3F Dissolved Oxygen Verified<br />

List<br />

2985 Chub Creek <strong>St</strong>ream 3F Iron Verified<br />

List<br />

2985 Chub Creek <strong>St</strong>ream 3F Nutrients (Chla) Verified<br />

List<br />

2985 Chub Creek <strong>St</strong>ream 3F Turbidity Not<br />

Impaired<br />

2985 Chub Creek <strong>St</strong>ream 3F Un-Ionized Not<br />

Ammonia Impaired<br />

2986 Soldier Creek <strong>St</strong>ream 3F Biology Not<br />

Reach<br />

Impaired<br />

2986 Soldier Creek <strong>St</strong>ream 3F Cadmium Not<br />

Reach<br />

Impaired<br />

2986 Soldier Creek <strong>St</strong>ream 3F Copper Not<br />

Reach<br />

Impaired<br />

Integrated<br />

Report<br />

Category 1<br />

2<br />

3b<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 PP - 58/67 values below DO<br />

criterion. VP - 40/47 values below<br />

DO criterion. DO met verification<br />

threshold <strong>of</strong> IWR and nitrogen and<br />

phosphorus are causative pollutants<br />

(TN median = 2.3 mg/L, TP median<br />

= 0.37 mg/L). 68 DO values,<br />

median 1.99 mg/L, mean 2.61 mg/L,<br />

range 8.55 - 0.29 mg/L.<br />

5 Medium 2008 PP - 15/44 values exceed criterion.<br />

VP - 15/44 values exceed criterion.<br />

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

phosphorus based on a TN/TP<br />

median <strong>of</strong> 10 (67 values) during the<br />

PP and a median <strong>of</strong> 10 (47 values).<br />

PP - 3 chla annual means exceeded<br />

20 ug/l (1995-1997). VP - 2 chla<br />

annual means exceeded 20 ug/l<br />

(1996-1997). 47 TN values, median<br />

2.3 mg/L. 68 TP values, median<br />

0.37 mg/L.<br />

2<br />

2<br />

2<br />

2<br />

2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!