State and tribal water quality standards-notice of EPA approvals.

Strategy for water quality standards and criteria : setting priorities to strengthen the foundation for protecting and restoring the nation's waters.
Published: (2006)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion II-western forested mountains including all or parts of the states of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the authorized tribes within the ecoregion.
Published: (2000)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VII-mostly glaciated dairy region including all or parts of the states of New York, Pennsylvania, Michigan, Wisconsin, Minnesota, Ohio, Indiana, Illinois, Iowa and the authorized Tribes within the Ecoregion.
Published: (2000)

Water quality standards handbook.
Published: (1994)

Water quality standards for Pennsylvania : fact sheet.
Published: (1996)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion X - Texas-Louisiana Coastal and Mississippi alluvial plains, including all or parts of the states of Texas, Louisiana, Mississippi, Arkansas, Tennessee, Kentucky, Missouri, and Illinois, and the authorized Tribes within the Ecoregion.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion V-south central cultivated great plains including all or parts of the states of Montana, North Dakota, South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, Texas, and New Mexico, and the authorized Tribes within the Ecoregion.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VI-corn belt And northern great plains including all or parts of the states of South Dakota, North Dakota, Nebraska, Minnesota, Iowa, Illinois, Wisconsin, Indiana, Michigan, Ohio and the authorized Tribes within the Ecoregion.
Published: (2000)

Compilation of national recommended water quality criteria and EPA's process for deriving new and revised criteria : fact sheet.
Published: (1998)

Water quality criteria and standards plan-priorities for the future : fact sheet.
Published: (1998)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion IV-great plains grass and shrublands including all or parts of: North Dakota, South Dakota, Montana, Wyoming, Nebraska, Colorado, Kansas, Oklahoma, New Mexico, and Texas, and the authorized Tribes within the Ecoregion.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion I - Willamette and central valleys including all or parts of the states of Washington, Oregon, and California, and the authorized tribes within the region.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion XIV-eastern coastal plain including all or parts of the states of South Carolina, North Carolina, Georgia, Virginia, Maryland, Delaware, New Jersey, New York, Connecticut, Rhode Island, Massachuset, New Hampshire, Maine and the authorized Tribes within the Ecoregion.
Published: (2000)

EPA guidance on application of state mixing zone policies in EPA-issued NPDES Permits.
Published: (1996)

EPA Region 10 guidance for Pacific Northwest state and tribal temperature water quality standards.
Published: (2003)

Water quality : processes and policy /
Published: (1999)

Bacterial water quality standards for recreational waters, freshwater and marine waters : status report.
Published: (2003)

Quality criteria for water 1986.
Published: (1986)

Water quality standards for Indian country : fact sheet.
Published: (2006)

Recent EPA actions to protect tribal water quality /
by: Copeland, Claudia, et al.
Published: (2018)

EPA model pretreatment ordinance.
Published: (1992)

Economic guidance for water quality standards : workbook.
Published: (1995)

National recommended water quality criteria.
Published: (2006)

EPA need to accelerate adoption of numeric nutrient water quality standards.
Published: (2009)

Water quality : management of a natural resource /
by: Perry, James A. (James Alfred), 1945-
Published: (1996)

Federally promulgated standards : water quality standards for Kansas-fact sheet.
Published: (2003)

Federally promulgated standards : proposed Oregon water quality standards-fact sheet.
Published: (2003)

Approval of EPA methods 1664, revision A, and 9071B for determination of oil and grease and non-polar material in EPA's wastewater and hazardous waste programs.
Published: (1999)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for wetlands in nutrient dcoregion XIII-southern Florida coastal plain including all or parts of the state of Florida and the authorized tribes within the ecoregion.
Published: (2000)

National recommended water quality criteria : 2002.
Published: (2002)

National recommended water quality criteria : 2002.
Published: (2002)

Water quality : implementing the Clean Water Act /
by: Copeland, Claudia
Published: (1985)

Agriculture and water quality : international perspectives /
Published: (1990)

Revision of national recommended water quality criteria 2002 : fact sheet.
Published: (2002)

Texas water quality : a summary of river basin assessments /
Published: (1996)

Federally promulgated standards : proposed water quality standards for Puerto Rico.
Published: (2003)