Category: Pollutants

Publicly Owned Treatment Works Nutrient Removal Cost Impact Study: Nutrients in Utah’s Waters

The Utah Division of Water Quality conducted the 2009 Statewide Nutrient Removal Cost Impact Study to evaluate the economic impacts of potential new nutrient removal requirements for Utah’s publicly owned treatment works (POTWs). The study estimated economic, financial, and environmental impacts associated with a range of potential nutrient discharge standards for every discharging POTW in …

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Headwater Criteria:
Nutrients in Utah’s Waters

On June 26, 2019, Utah’s Water Quality Board passed numeric nutrient criteria to protect aquatic life and recreation uses in headwater streams effective date: July 1, 2019. This page contains background information on this important water quality standard revision. Documentation includes a classification report (4 MB) that demonstrates that statewide nutrient-response relationships are likely to …

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Statewide Nutrient Criteria Development:
Core Advisory Team Members: Nutrients in Utah’s Waters

Stakeholder Group Representative Chair Erica Gaddis, Director, Utah Division of Water Quality Agriculture Thayne Mickelson, UDAF’s Conservation Programs Jay Olsen, UDAF Agriculture Producers Jim Webb, Circle 4 Farms DEQ Public Information Christine Osborne, Alternate PIO Division of State Parks Jeff Rasmussen, Deputy Director Ty Hunter Division of Wildlife Resources Craig Walker, Aquatic Habitat Coordinator Drinking …

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Resources:
Nutrients in Utah’s Waters

Jump to: General Background Supporting Literature Nutrient Criteria Utah Investigations White Paper: Using Qual2K Modeling to Support Nutrient Criteria Development and Wasteload Analyses in Utah (552 KB) General EPA Promulgation of Nutrient Criteria in Florida This Website contains information surrounding EPA’s promulgation of numeric nutrient criteria in Florida. The background material, FAQs, etc. associated with this …

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Phosphorus Rule:
Nutrients in Utah’s Waters

New 2016 Amendment The Water Quality Board approved rulemaking for an amendment to the 2015 rule that addresses comments received from the regulated community regarding the time line for rule implementation. The amendment also incorporates a voluntary wastewater treatment optimization element designed to encourage nitrogen pollution reductions. Additionally, the amendment provides clarification of the phosphorus …

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Radiation Basics

Radiation is one of the ways that energy travels through space or matter. Radiant energy is emitted as either electromagnetic waves or subatomic particles. This energy runs along a continuum on the electromagnetic spectrum on the basis of its wavelength, frequency, or energy. The two major types of radiation—non-ionizing and ionizing—are differentiated by the level …

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What is Ozone?

Related Links Governor Herbert’s recommendation to EPA regarding ozone nonattainment areas in Utah (2 MB) Division of Air Quality’s Analysis for the recommendation (4 MB) Ozone in the Uinta Basin 50 Summer Suggestions Regarding Ozone Frequently Asked Questions about Ozone and Your Health How Ozone is Formed Ozone in Utah: Not Always the Usual Suspects …

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Frequently Asked Questions about Ozone and Your Health

Related Links Ozone Overiew Ozone in the Uinta Basin 50 Summer Suggestions Regarding Ozone On hot, sunny summer days, ground level ozone can rise to unhealthy levels. Breathing ozone can trigger a variety of symptoms, including coughing, throat irritation, and chest pain. It is important to understand the health effects of ozone and the simple …

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50 Summer Suggestions Regarding Ozone

Related Links Ozone Overiew Ozone in the Uinta Basin Frequently Asked Questions about Ozone and Your Health Drive Less Driving less doesn’t mean you have to stay home. Try any of these ways to get to where you want to go: Carpool. Use mass transit. Logan/Cache Valley Schedule Park City Transit St. George Bus UTA …

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Non-ionizing Radiation

Non-ionizing radiation is electromagnetic radiation that does not have sufficient energy to remove electrons from the outer shells of atoms. Types of non-ionizing radiation are: ultraviolet (UV), visible light, infrared (IR), microwave, radio (and television), and extremely low frequency (ELF, sometimes referred to as EMF or ELF-EMF). Non-ionizing radiation is produced by a wide variety …

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Frequently Asked Questions: Lead in Drinking Water

Utah Lead Action Levels: Summary by Water System (81 KB) Additional Resources Lead in Drinking Water Topics What is Lead? Lead is a toxic metal that was used for many years in products found in and around homes. Even at low levels, lead may cause a range of health effects including behavioral problems and learning …

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Hazardous Air Pollutants (HAPS)

More 2015 Final Report Frequently Asked Questions (51 KB) Press Release: Air Toxics Study July 12, 2016 (146 KB) The increased awareness in recent years of the dangers of toxic air pollutants has caused Congress to design regulatory efforts to control toxic substances in the air. These hazardous air pollutants (HAPS) are air pollutants for …

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2015 Study:
Hazardous Air Pollutants (HAPS)

More HAPS Overview Frequently Asked Questions (51 KB) Press Release: Air Toxics Study July 12, 2016 (146 KB) Hazardous air pollutants (HAPs) are air pollutants that are known to cause or suspected to cause serious, adverse health effects. They come from a wide variety of industrial, residential, and mobile sources. The Division of Air Quality …

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Hexavalent Chromium (Chromium 6)

Water systems in Utah have been required to test for total chromium since 1993. Total chromium measurement is an analysis of two types of chromium, both of which are soluble in water. These are hexavalent chromium (or chrome 6) and trivalent chromium. Trivalent chromium is an essential nutrient; hexavalent chromium is considered a dangerous contaminant. …

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Utah DDW Response to the EWG Study on Hexavalent Chromium

The analytical method used in the Environmental Working Group (EWG) study may be subject to interference by other metals present in the water, such as iron or other salts. The method is known to require the addition of buffers that have trace levels of chromium. Using a method which is susceptible to interference by naturally …

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