FACTSHEET ON WATER QUALITY PARAMETERS REFERENCES Dissolved Oxygen U.S. Environmental Protection Agency. 1986. Ambient Water Quality Criteria for Dissolved Oxygen. EPA 440/5-86-003. Office of Water. https://www3.epa.gov/region1/npdes/merrimackstation/pdfs/ar/AR-1236.pdf. Accessed September 2020. Wetzel, RG. 1975. Limnology. Elsevier. Header and footer photo courtesy of David Browne. Location: Lake Maurepas, Louisiana. E Coli Anderson, CW and SA Rounds. 2003. Phosphorus and E. coli and Their Relation to Selected Constituents During Storm Runoff Conditions in Fanno Creek, Oregon, 1998-99. U.S. Department of the Interior. U.S. Geological Survey, https://pi.ibs usgs.gov/wri/wri024232/pdf/wri024232.pdf. Accessed September 2020. . 1997. Volunteer Stream Monitoring: A Methods Manual. Office of Water. EPA 841-B-97-003. https://nepis.epa.gov/Exe/ZyPDF.cgi/P100MRC3.PDF?Dockev=P100MRC3.PDF. Accessed September 2020. Header and footer photo courtesy of USEPA. Location: Bosque del Apache National Wildlife Refuge, New Mexico. Macroinvertebrates Maine Department of Education. Nd. Outdoor Learning Opportunities: Macroinvertebrates. https://www.maine.gov/doe/sites/maine.gov.doe/files/bulk/prek4me/Unit6/week3/ 0utdoor%20l earning %20 Macroinvertebrates.pdf. Accessed June 2020. U.S. Environmental Protection Agency. 2000. Stressor Identification Guidance Document. https://cfpub.epa.gov/ncea/risk/recordisplay.cfm?deid=20685. Accessed June 2020. U.S. Environmental Protection Agency. 2016. A Practitioner's Guide to the Biological Condition Gradient: A Framework to Describe Incremental Change in Aquatic Ecosystems, https://www.epa.gov/wqc/practitioners-guide-biological- condition-gradient-framework-describe-incremental-change-aquatic. Accessed June 2020. U.S. Environmental Protection Agency. 2020. National Aquatic Resource Surveys. https://www.epa.gov/national-aquatic-resource-surveys. Accessed September 2020. Header and footer photo courtesy of USEPA. Location: New Bedford Flarbor, Massachusetts. l ------- References Nutrients U.S. Environmental Protection Agency. 2014. Summary Table for the Nutrient Criteria Documents. https://www.epa.aov/sites/production/files/7014-08/documents/criteria-nutrient-ecoreaions-sumtable.pdf. Accessed September 2020. U.S. Environmental Protection Agency. 2016. Monitoring and Evaluating Nonpoint Source Watershed Projects. EPA 841-R-16-010. Office of Water. Nonpoint Source Control Branch, https://www.epa.gov/sites/production/files/2016-06/ documents/nps monitoring guide may 2016-combined plain.pdf. Accessed September 2020. U.S. Environmental Protection Agency. 2019. Nitrogen and Phosphorus Loads in Large Rivers. https://cfpub.epa.gov/roe/indicator.cfm?i=33. Accessed September 2020. U.S. Environmental Protection Agency. 2020(a). Ecoregional Criteria. https://www.epa.gov/nutrient-policy-data/ecoregional-criteria. Accessed September 2020. U.S. Environmental Protection Agency. 2020(b). State Progress Toward Developing Numeric Nutrient Water Quality Criteria or Nitrogen and Phosphorus, https://www.epa.gov/nutrient-policy-data/state-progress-toward-developing- numeric-nutrient-water-qualitv-criteria. Accessed September 2020. U.S. Geological Survey. Nd. Nutrients from atmospheric and urban sources, fertilization, and livestock wastes can contribute to excessive algal growth in streams, https://pubs.usgs.gov/circ/circ1225/pdf/nutrients.pdf. Accessed September 2020. Header and footer photo courtesy of Cynthia Johnson, USEPA. Location: unknown. U.S. Environmental Protection Agency. 1986. Quality Criteria for Water (Gold Book). https://www.epa.gov/wqc/quality-criteria-water-gold-book. Accessed March 2020. U.S. Environmental Protection Agency. 2020. Effects of Acid Rain. https://www.epa.gov/acidrain/effects-acid-rain. Accessed September 2020. Water on the Web. 2008. pH. https://www.waterontheweb.org/under/waterqualitv/ph.html. Accessed September 2020. Wurts, WA and RM Durborow. 1992. Interactions of pH, Carbon Dioxide, Alkalinity and Hardness in Fish Ponds. Southern Regional Aquaculture Center Publication No. 464. https://www.researchgate.net/publication/307168767 Interactions of pH Carbon Dioxide Alkalinity and Hardness in Fish Ponds. Accessed April 2021. Header and footer photo courtesy of Wes Stops, Crow Tribe. Location: Little Bighorn River, Montana. ------- References Temperature U.S. Environmental Protection Agency. 1986. Quality Criteria for Water (Gold Book). https://www.epa.gov/wqc/quality-criteria-water-gold-book. Accessed March 2020. U.S. Environmental Protection Agency. 2012. Temperature. https://archive.epa.gov/water/archive/web/html/vms53.html. Accessed September 2020 Wetzel, RG. 1975. Limnology. Elsevier. Header and footer photo courtesy of Jeffrey Keeble Jr. Location: Johnson Creek, Wisconsin. Turbidity Credit Valley Conservation. Nd. Water Quality Parameters. https://cvc.ca/watershed-science/watershed-monitoring/real-time-water-quality/water-quality-parameters/. Accessed September 2020. Cuyahoga SWCD. 2020. Solving Stream Problems in Your Back Yard Series - Streambank Erosion. https://www.cuvahogaswcd.org/blog/2015/09/16/solving-stream-problems-in-your-back-yard-series--streambank- erosion. Accessed September 2020. U.S. Environmental Protection Agency. 1986. Quality Criteria for Water (Gold Book). https://www.epa.gov/wqc/quality-criteria-water-gold-book. Accessed March 2020. U.S. Geological Survey. Nd. A Secchi disc is lowered into algae-filled water. https://www.usgs.gov/media/images/a-secchi-disc-lowered-algae-filled-water. Accessed April 2021. Header and footer photo courtesy of Therese Beaudoin. Location: Millers River, South Royalston, Massachusetts. EPA 841F21007H | July 2021 For factsheets on other water quality parameters, visit: epa.gov/awma/factsheets-water-quality-parameters. 3 For more information about the CWA Section 106 Grants Program, visit: epa.gov/water-pollution-control-section-106-q rants. ------- |