Improved enumeration methods for the recreational water quality indicators : Enterococci and Escherichia coli.

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

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

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)

Data quality objectives and statistical design support for development of a monitoring protocol for recreational waters : final report.
Published: (1999)

Water quality indices /
by: Abbasi, Tasneem
Published: (2012)

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)

Water quality indices /
by: Abbasi, Tasneem
Published: (2012)

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 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)

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 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)

Quality criteria for water 1986.
Published: (1986)

Water quality indices : a survey of indices used in the United States /
by: Ott, Wayne R.
Published: (1978)

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)

Biological indicators of water quality /
Published: (1979)

Water quality indicators guide : surface waters /
by: Terrell, Charles R.
Published: (1989)

Strategy for water quality standards and criteria.
Published: (2003)

National recommended water quality criteria.
Published: (2006)

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

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

Water-quality indices for specific water uses /
by: Stoner, J. D.
Published: (1978)

A comparison between fecal coliform, E. coli, and enterococci, as bacterial indicators in southeast Texas surface waters /
by: McElyea, Bob
Published: (2003)

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)

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

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

Water-quality indices for specific water uses /
by: Stoner, J. D.
Published: (1978)

State and tribal water quality standards-notice of EPA approvals.
Published: (1998)

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

Water quality standards handbook.
Published: (1994)

Texas water quality : understanding nonpoint source pollution /
Published: (1988)

Implementation guidance for ambient water quality criteria for bacteria.
Published: (2002)