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

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Water Quality Assessment Report: <strong>Middle</strong> <strong>St</strong>. <strong>Johns</strong> 299<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 />

29979 Lake Hope1 In Lake 3F No Data 3a<br />

Orange County<br />

2997A Howell Creek <strong>St</strong>ream 3F Dissolved Oxygen Planning<br />

List<br />

3c DO met verification threshold <strong>of</strong><br />

IWR, but need to identify causative<br />

pollutant.<br />

2997A Howell Creek <strong>St</strong>ream 3F Fecal Coliform<br />

Bacteria<br />

Verified<br />

List<br />

5 Medium 2008 PP - 13/41 values exceed criterion.<br />

VP - 9/22 values exceed criterion.<br />

Coliform median 200<br />

colonies/100ml, range 10 - 3400<br />

colonies/100ml. No more than 3<br />

values per month.<br />

2997A Howell Creek <strong>St</strong>ream 3F Nutrients (Chla) Not<br />

Impaired<br />

2<br />

2997A Howell Creek <strong>St</strong>ream 3F Total Coliform<br />

Bacteria<br />

Verified<br />

List<br />

2997A Howell Creek <strong>St</strong>ream 3F Turbidity Not<br />

Impaired<br />

2997A Howell Creek <strong>St</strong>ream 3F Un-Ionized Not<br />

Ammonia Impaired<br />

2997B Howell Lake Lake 3F Dissolved Oxygen Not<br />

Impaired<br />

2997B Howell Lake Lake 3F Nutrients (TSI) Verified<br />

List<br />

5 Medium 2008 PP - 7/36 values exceed criterion.<br />

VP - 6/22 values exceed criterion.<br />

Coliform median 680<br />

colonies/100ml, range 60 - 8900<br />

colonies/100ml. No more than 2<br />

values per month.<br />

2<br />

2<br />

2<br />

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

phosphorus based on a TN/TP<br />

median <strong>of</strong> 19 (197 values) during<br />

the PP and a median <strong>of</strong> 19 (182<br />

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

annual means exceeded 60 (1997,<br />

1999, 2000). VP - 4 TSI annual<br />

means exceeded 60 (1997, 1999,<br />

2000, 2002). 203 TN values,<br />

median 0.95 mg/L, mean 1.03 mg/L.<br />

224 TP values, median 0.05 mg/L,<br />

mean 0.06 mg/L.

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

Saved successfully!

Ooh no, something went wrong!