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  2. Drinking water quality standards - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality...

    Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...

  3. Maximum contaminant level - Wikipedia

    en.wikipedia.org/wiki/Maximum_Contaminant_Level

    Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [1] [2] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA).

  4. Drinking water quality in the United States - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality_in...

    The challenge of defining an acceptable level of perchlorate in drinking water sets two opposing groups with significantly different views against each other. In a draft risk assessment made in 2002, EPA suggested that levels higher than 1 part per billion (ppb) pose a health risk.

  5. Des Moines Water Works asks residents not to water lawns due ...

    www.aol.com/des-moines-water-works-asks...

    Des Moines Water Works its asking its 600,000 customers to not water their lawns, saying it will be unable to meet federal limits on nitrate levels with rising concentrations in the Des Moines and ...

  6. Nitrate - Wikipedia

    en.wikipedia.org/wiki/Nitrate

    Through the Safe Drinking Water Act, the United States Environmental Protection Agency has set a maximum contaminant level of 10 mg/L or 10 ppm of nitrate in drinking water. [18] An acceptable daily intake (ADI) for nitrate ions was established in the range of 0–3.7 mg (kg body weight) −1 day −1 by the Joint FAO/WHO Expert Committee on ...

  7. Water quality - Wikipedia

    en.wikipedia.org/wiki/Water_quality

    Nitrate; Orthophosphates; pH; ... In England and Wales acceptable levels for drinking water supply are listed in the "Water Supply (Water Quality) Regulations 2000 ...

  8. Safe Drinking Water Act - Wikipedia

    en.wikipedia.org/wiki/Safe_Drinking_Water_Act

    The Safe Drinking Water Act (SDWA) is the primary federal law in the United States intended to ensure safe drinking water for the public. [3] Pursuant to the act, the Environmental Protection Agency (EPA) is required to set standards for drinking water quality and oversee all states, localities, and water suppliers that implement the standards.

  9. Drinking water - Wikipedia

    en.wikipedia.org/wiki/Drinking_water

    The WHO/UNICEF Joint Monitoring Program (JMP) for Water Supply and Sanitation [81] is the official United Nations mechanism tasked with monitoring progress towards the Millennium Development Goal (MDG) relating to drinking-water and sanitation (MDG 7, Target 7c), which is to: "Halve, by 2015, the proportion of people without sustainable access ...

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