Friday, February 10, 2017Register
The State of the Bay Galveston Bay Area Project

Water and Sediment Quality Data Portal

 

Selected State Water Quality Criteria

From: [TCEQ] Texas Commission on Environmental Quality. 2008. Guidance for Assessing Texas Surface and Finished Drinking Water Quality Data. Surface Water Quality Monitoring Program, TCEQ. Austin, TX. pp 170.

 

Bacterial Pathogens
Screening level (Single Sample)
Fecal coliform

400 Colonies / 100 ML

E. coli (in freshwater only)

389 MPN / 100 ML

Enterococci (in saltwater only)

89 MPN / 100 ML

Nutrients
Tidal Stream
Screening Level
Estuarine
Screening Level
Ammonia
0.46 mg/L
0.10 mg/L
 
Chlorophyll-a
21.0 ug/L
11.6 ug/L
 
Nitrate
1.10 mg/L
0.17 mg/L
 
Total phosphorus
0.66 mg/L
0.21 mg/L
 
Dissolved Oxygen

2.0 mg/L

2.0 mg/L

Metals (mg/kg)

Marine PEL

Cadmium

9.6

Mercury

0.71

Silver

3.7

Lead

218

Zinc

410

Organic Pesticides ( ug/kg)

Marine PEL

Chlordane

4.79

DDT

46

Dieldrin

4.30

Lindane

0.99

Industrial Organics ( ug/kg)

Marine PEL

Acenaphthene

500

Acenaphthylene

640

Anthracene

1,100

Benzo(a)anthracene

1,600

Benzo(a)pyrene

1,600

Chrysene

2,800

1,2,5,6 Dibenzanthracene

na

Fluoranthene

5,100

Fluorene

540

Naphthalene

2,100

Total PCBs

180

Phenanthrene

1,500

Pyrene

2,600

 

 

 

 
SiteMeter
Privacy StatementTerms Of UseCopyright (c) 2017 Galveston Bay Status and Trends

BorderBoxedBlueBoxedGrayBlueSmall width layoutMedium width layoutMaximum width layoutMaximum textMedium textSmall textBack Top!