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Water: State, Tribal & Territorial Standards

Repository of Documents: Texas

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Texas Surface Water Quality Standards §307.1-307.10 (2010) (PDF) (168 pp, 1.6MB)
(Effective July 2, 2013) State regulation establishing water quality standards for surface waters of the state.  Please note that not all parts of this document are effective for Clean Water Act purposes. See cover pages for more information. The corresponding provisions which are in effect for Clean Water Act Purposes can be found in:
Texas Surface Water Quality Standards §307.1-307.10 (2000) (PDF) (16 pp, 82K) (Effective July 2, 2013) Not all standards are in effect for Clean Water Act Purposes. See cover pages for 2010 and 1997 documents for more info.
Texas Surface Water Quality Standards §307.1-307.10 (1997) (PDF) (34 pp, 125K) (Effective April 30, 1997) See cover pages for more info.
Variances to Texas Surface Water Quality Standards (PDF) (3 pp, 31K)
(Effective June 17, 2014) Information detailing EPA-approved variances from water quality standards for dischargers to Texas surface waters.
Water Effects Ratios and Site-specific Criteria in the Texas Surface Water Quality Standards (PDF) (1 pg, 15K)
(Effective June 17, 2014) Information detailing EPA-approved Water Effects Ratios (WERs) for Texas water quality standards.

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