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Index of Past Issues
Volume 11 Number 5,
May 8, 2008 Topics: Synopsis of issues presented at the March 25, 2008 CWEMF Delta Nutrient Water Quality Modeling Workshop; links and references to the speakers’ PowerPoint slides and additional information pertinent to the topics covered. [366 kb]
Volume 11 Number 4,
April 30, 2008 Topics: New sources of information on a variety of topics pertinent to water quality evaluation and management with particular attention to pesticide-related water quality issues; announcements of several CWEMF workshops, other conferences, and publication. [35 kb]
Volume 11 Number 3,
February 26, 2008 Topic: update on the regulation of the organophosphorus (OP) pesticides, diazinon and chlorpyrifos, in the Central Valley of CA. [313 kb]
Volume 11 Number 2,
February 13, 2008 Topic: Excessive fertilization–related water quality problems in the Sacramento San Joaquin Delta (CA) and control of nutrient input from urban and agricultural sources, as background to CWEMF Delta Nutrient Water Quality Modeling Workshop on March 25, 2008 in Sacramento, CA; links to information on major nutrient control programs in other parts of the US. [65 kb]
Volume 11 Number 1 (supplement),
January 16, 2008 Topic: Comments on California State Water Resources Control Board’s staff’s proposed approach for developing sediment quality objectives (SQOs) for Dredged Sediment. [23 kb]
Volume 11 Number 1,
January 14, 2008 Topic: Comments on California State Water Resources Control Board’s staff’s proposed approach for developing sediment quality objectives (SQOs) for Enclosed Bays and Estuaries of California and implications for stormwater management. [71 kb]
Volume 10 Number 13,
December 21, 2007 Topics: Announcement of, and agenda for, California Water and Environmental Modeling Forum (CWEMF)'s Sacramento San Joaquin Delta Nutrient Water Quality Modeling Workshop. [69 kb]
Volume 10 Number 12,
November 30, 2007 Topics: Role of pyrethroid-based pesticides in causing aquatic life toxicity in stormwater runoff and receiving waters/sediments; Using “adaptive management” for managing water quality and water resource problems. [37 kb]
Volume 10 Numbers 10 & 11,
October 18, 2007 Topic: Water Resource and Quality Crisis Issues in Sacramento San Joaquin Delta, CA. [705 kb]
Volume 10 Number 9,
September 17, 2007 Topic: Modeling of water quality impacts of stormwater runoff. [107 kb]
Volume 10 Number 8,
July 17, 2007 Topics: NRC review “Reducing Stormwater Discharge Contribution to Water Pollution,” US EPA Enhanced Water Quality Standards Information On-Line; CWEMF Workshop on Watershed and Urban Hydrology Modeling; UPC presentation on shift in urban pesticide usage in California & changes in concentrations and aquatic life toxicity of pesticides in urban stormwater runoff; and results of USGS survey of pesticide concentrations in US streams. [36 kb]
Volume 10 Number 7,
July 5, 2007 Topics: GAO reviews of US EPA urban stormwater runoff water quality program & BEACH 2000 Act; DTSC Symposium on PPCPs; US EPA N-Steps Webcasts; US EPA framework for metals risk assessment; Site-Specific Copper Water Quality Objectives for San Francisco Bay [58 kb]
Volume 10 Number 6,
June 22, 2007 Topics: Role of aquatic plant nutrients and algal growth in creating DO depletion and aquatic life toxicity; importance in control of sediment toxicity associated with heavy metals, organics, and other constituents [712 kb]
Volume 10 Number 5,
May 14, 2007 Topic: Part II of 2-part Newsletter on role of sediments as source of oxygen demand for waterbodies. Part II: Role of death/decomposition of planktonic algae in causing oxygen demand in the watercolumn of lakes and channels; role of nutrients from urban & agricultural stormwater runoff in stimulating planktonic algal growth; relationship between nutrient loads to lakes/reservoirs and hypolimnetic oxygen depletion rate [260 kb]
Volume 10 Number 4,
April 30, 2007 Topic: Part I of 2-part Newsletter on role of sediments as source of oxygen demand for waterbodies. Part I: Role of inorganic oxygen demand reactions, involving ferrous iron and sulfides, in causing rapid oxygen demand exerted when sediments are suspended into a watercolumn. [108 kb]
Volume 10 Number 3,
April 16, 2007 Topic: Regulation of aquatic life toxicity in stormwater runoff from urban and agricultural areas [41 kb]
Volume 10 Number 2,
March 2, 2007 Topics: Nutrient-related urban stormwater runoff water quality issues. Synopsis of & citations/links to foundation studies defining • amounts of N & P in urban stormwater runoff, • nutrient export coefficients, • leaves as a source of P in urban runoff, • algal-available nutrients in runoff waters; Significance of urban stormwater runoff as source of algal-available N & P to waterbodies and implications for eutrophication and BMP development. [91 kb]
Volume 10 Number 1,
February 5, 2007 Topics: Flow & water quality issues in the San Joaquin River (CA); updates on low DO conditions in the San Joaquin River Deep Water Ship Channel near Stockton, CA. [187 kb]
Volume 9 Number 10,
December 19, 2006 Topics: Impact of nutrients from Upper Mississippi River watershed on hypoxia in the Northern Gulf of Mexico; role of nutrients in causing low dissolved oxygen concentrations in San Joaquin River Deep Water Ship Channel near Stockton, CA. [60 kb]
Volume 9 Number 9,
September 25, 2006 Topics: California Department of Toxic Substances Control (DTSC) approach to regulating lead in soil for the protection of children’s health. [41 kb]
Volume 9 Number 8,
September 14, 2006 Topics: Interpreting nitrogen and phosphorus concentration data; announcement of California Lake Management Society’s annual meeting; environmental aspects of pyrethroid-based pesticides; water quality impacts of oil in stormwater runoff. [61 kb]
Volume 9 Number 6,
June 27, 2006 Topics: Review of issues that need to be considered in developing water quality criteria/standards for urban area and highway stormwater runoff to control adverse impacts on water quality; efficacy of conventional “best management practices” (BMPs) to meet water quality standards; information on expert panel report to the California State Water Resources Control Board (SWRCB) entitled, “The Feasibility of Numeric Effluent Limits Applicable to Discharges of Storm Water Associated with Municipal, Industrial and Construction Activities.” [53 kb]
Volume 9 Number 5,
June 5, 2006 Topics: Review of comparative risk issues in water quality management; regulation of arsenic in drinking water [62 kb]
Volume 9 Number 4,
March 31, 2006 Topics: Structure sealants as a source of PCBs; benzothiazoles as stormwater pollutant; recently proposed OEHHA fish tissue contaminant screening values; BASS modeling of bioaccumulation; US EPA water quality criteria for diazinon; sediment toxicity due to pyrethroid-based pesticides; USGS national pesticide studies [108 kb]
Volume 9 Number 3,
March 4, 2006 Topics: PBDEs as environmental pollutants; higher-density development and water quality protection; designated uses and use-attainability analysis; assessing water quality impacts of pesticides [48 kb]
Volume 9 Number 1&2,
January 4, 2006 Topic: Review of aquatic plant nutrient (N & P) water quality issues, with particular attention to recent information on non-point sources of nutrients [182 kb]
Volume 8 Number 7,
December 5, 2005 Topic: Lead as a stormwater pollutant [40 kb]
Volume 8 Number 6,
November 11, 2005 Topic: Updated information on the regulation of pesticides which, in stormwater runoff from urban and agricultural areas, cause aquatic life toxicity [57 kb]
Volume 8 Number 5,
August 30, 2005 Topic: Unrecognized pollutants; US EPA Workshop on Pharmaceuticals in the Environment [58 kb]
Volume 8 Number 4,
August 12, 2005 Topic: "Clean Water Act, Water Quality Criteria/Standards, TMDLs, and Weight-of-Evidence Approach for Regulating Water Quality." [172 kb]
Volume 8 Number 3,
April 25, 2005 Topic: Role of aqueous chemistry of iron in controlling release of potential pollutants upon resuspension of aquatic sediments
Volume 8 Number 1/2, February 18, 2005 Topic: Pesticide-caused aquatic life toxicity in urban stormwater runoff after residential use ban on diazinon and chlorpyrifos
Volume 7 Number 10,
December 20, 2004 Topic: Comments on US EPA November 2004 report, “The Incidence and Severity of Sediment Contamination in Surface Waters of the United States.”
Volume 7 Number 9,
November 8, 2004 Topic: Summary of US EPA National Beaches Conference, San Diego, CA, October 2004
Volume 7 Number 8,
September 7, 2004 Topic: Unreliability of co-occurrence-based sediment quality guidelines
Volume 7 Number 6/7,
August 6, 2004 Topic: Urban creeks
Volume 7 Number 5,
July 13, 2004 Topic: Miscellaneous issues
Volume 7 Number 4,
May 11, 2004 Topic: Regulating excessive bioaccumulation
Volume 7 Number 3,
March 12, 2004 Topic: Unrecognized pollutants
Volume 7 Number 2,
February 11, 2004 Topic: Regulating water quality impacts
Volume 7 Number 1,
January 6, 2004 Topic: Dust suppressants, groundwater impacts
Volume 6 Number 10,
December 1, 2003 Topic: Monitoring water quality in stormwater runoff from irrigated lands
Volume 6 Number 9,
November 17, 2003 Topic: Best professional judgment triad Weight-of-evidence evaluation of water quality
Volume 6 Number 8,
October 9, 2003 Topic: US EPA strategy for water quality standards & criteria
Volume 6 Number 7,
July 16, 2003 Topic: Prevention of pollution in shipyards
Volume 6 Number 6,
June 12, 2003 Topic: California Stormwater Quality Association BMP handbooks
Volume 6 Number 5,
May 27, 2003 Topic: Pollutant trading
Volume 6 Number 4,
March 24, 2003 Topic: Organochlorine pesticides
Volume 6 Number 3,
February 18, 2003 Topic: Organophosphorus pesticides
Volume 6 Number 2,
January 6, 2003 Topic: Non-point-source water quality management
Volume 6 Number 1,
January 28, 2003 Topic: Updated water quality criteria
Volume 5 Number 5,
December 2, 2002 Topic: Stormwater TMDLs
Volume 5 Number 4,
August 14, 2002 Topic: US EPA Draft Strategy for Water Quality Criteria/Standards
Volume 5 Number 3, March 5, 2002 Topic: US EPA Appeals Board Decision
Volume 5 Number 2, February 20, 2002 Topic: TMDLs
Volume 5 Number 1, January 10, 2002 Topic: Nutrient criteria
Volume 4 Number 3/4, April 13, 2001 Topic: Evaluation of nitrogen & phosphorus impacts
Volume 4 Number 2, March 8, 2001 Topic: Bioaccumulation of organochlorine pesticides & PCBs
Volume 4 Number 1, February 12, 2001 Topic: National Water Quality Inventory
Volume 3 Number 6,
October 11, 2000 Topic: OP pesticide TMDL goals
Volume 3 Number 5, July 11, 2000 Topic: Organophosphorus pesticides
Volume 3 Number 4, July 7, 2000 Topic: Regulating copper; TMDL goals
Volume 3 Number 3, June 12, 2000 Topic: New construction issues
Volume 3 Number 2 , May 19, 2000 Topic: BMPs
Volume 3 Number 1, May 10, 2000 Topic: Approaches for managing water quality impacts of urban stormwater runoff
Volume 2 Number 3, November 8, 1999 Topic: Evaluation monitoring
Volume 2 Number 2, October 16, 1999 Topic: Ninth Circuit Court Ruling
Volume 2 Number 1, October 8, 1999 Topic: Aquatic life toxicity
Volume 1 Numbers 6 & 7 (double issue), July 24, 1999 Topic: BMP ratcheting-down; Revision of water quality criteria
Volume 1 Number 5, January 30, 1999 Topic: Water quality standards compliance
Volume 1 Number 4, October 29, 1998 Topic: Water quality monitoring data review
Volume 1 Number 3, October 8, 1998 Topic: Water quality standards
Volume 1 Number 2, July 6, 1998 Topic: "Pollutant" vs "Contaminant;" "Water Quality;" Monitoring; Water quality evaluation
Volume 1 Number 1, June 2, 1998 Topic: 303(d) listing; Dioxin pesticides
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