City of Renton Water Company

Independent water quality summary by SoftPro® Water Systems. SoftPro® Water Systems is not affiliated with City of Renton Water Company or any government agency. Contaminant information is compiled from public water-quality records. For your utility's official test results, see its annual Consumer Confidence Report (find it on EPA.gov).

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Renton, Washington | Municipal Water Utility Company | Public Service Announcement

Renton municipal water supply may contain several concerning contaminants including Bromodichloromethane and Chloroform, while also exhibiting elevated levels of water hardness. The City of Renton provides residents with water sourced primarily from Groundwater reserves throughout the service area.

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City of Renton Area Details

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Area served:

Renton, Washington

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Population served:

62582

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Water source:

Groundwater

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Phone:

425-430-640

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Address:

1055 South Grady Way, Renton, WA 98057

Washington Municipal Water Utility

Contaminants Detected In Renton, Washington

Bromodichloromethane; Chloroform; Chromium (hexavalent); Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroacetic aci… more

Renton Municipal Water Utility

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City of Renton

Annual Municipal Water Report

List of Municipal Water Contaminants Tested by City of Renton

Tested But Not Detected:
1,1,1,2-Tetrachloroethane; 1,1,1-Trichloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,2,3-Trichloropropane; 1,2,4-Trichlorobenzene; 1,2,4-Trimethylbenzene; 1,2-Dibromo-3-chloropropane (DBCP); 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3,5-Trimethylbenzene; 1,3-Butadiene; 1,4-Dioxane; 2,4,5-TP (Silvex); 2,4-D; 2,4-DB; 4-Nitrophenol; Acifluorfen (Blazer); Antimony; Arsenic; Barium; Benzene; Benzoic acid; Beryllium; Bromobenzene; Bromochloromethane; Bromomethane; Cadmium; Carbon tetrachloride; Chloramben; Chlorodifluoromethane; Chloromethane; cis-1,2-Dichloroethylene; Cobalt; Cyanide; Dalapon; DCPA di-acid degradate; Dibromoacetic acid; Dicamba; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dinoseb; Ethylbenzene; Ethylene dibromide; m- & p-Xylene; Manganese; Mercury (inorganic); Molybdenum; Monobromoacetic acid; Monochloroacetic acid; Monochlorobenzene (chlorobenzene); n-Butylbenzene; Naphthalene; Nitrite; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; p-Dichlorobenzene; p-Isopropyltoluene; Pentachlorophenol; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; sec-Butylbenzene; Selenium; Silver; Styrene; Tetrachloroethylene (perchloroethylene); Thallium; Toluene; trans-1,2-Dichloroethylene; Trichloroethylene; Trichlorofluoromethane; Vinyl chloride; Xylenes (total)

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City of Renton

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Washington Water Utility Companies

During 2016, Renton sourced its municipal water from four distinct supplies: five downtown wells located in Liberty and Planks River Parks drawing from the Cedar Valley Aquifer; Springbrook Springs in southern Renton; the Maplewood wellfield at Maplewood Course; and Seattle Public Utilities (SPU) which receives water from Cedar plank and Tolt waters.

The SPU connection began in January 2012 and primarily serves as backup during peak summer demand. In 2016, SPU provided approximately 32.2 million gallons used mainly by the Renton Boeing plant, while combined sources produced 2.55 billion gallons total.

Water from downtown wells and Springbrook Springs requires minimal treatment. Chlorine is added to eliminate bacteria and protect the distribution system during emergencies like main breaks. Sodium hydroxide slightly raises pH to prevent plumbing corrosion. In Renton Hill, Talbot Hill and Western Hill areas, ortho polyphosphates reduce corrosion in older cast iron water mains. Fluoride is added for dental health protection.

Downtown wells contributed 56.6% of Renton's water in 2016, while Springbrook Springs provided 21.3%. The Maplewood wellfield's water undergoes additional treatment to remove manganese, hydrogen sulfide, and ammonia before distribution. These three wells produced 22.1% of the total supply in 2016.

Washington EPA Water Reports

For more information on your municipal water, visit the U.S. Environmental Protection Agency:

City of Renton Municipal Water Company and EPA

City of Renton Municipal Water Report Info

Redmond ranks as the seventh most populous city in King County and sixteenth statewide in Washington, with approximately 59,180 residents as of 2015. Covering over 17.14 square miles, it sits less than 20 miles east of downtown Seattle at Lake Sammamish's northern end.

The city is known for its exceptional quality of life featuring strong schools, robust economic foundation, and extensive parks system. Residents enjoy diverse shopping and dining options, safe neighborhoods, and a commitment to quality development alongside natural environment protection.

Redmond maintains 31 developed and 14 undeveloped parks spanning more than 1,345 acres with 29 miles of developed trails. Facilities range from community parks to undeveloped open spaces, including Lake Sammamish's waterfront Idylwood Park, the protected Redmond Watershed, and Farrel-McWhirter Park's farm with equestrian facilities.

Recreation programs provide learning and social opportunities for all ages from preschoolers through seniors, supported by a vibrant arts scene. Community facilities include a senior center, teen center, community center, and two historic log cabins at Anderson Park. King County maintains numerous trail connections that extend beyond Redmond's network.

Municipal Water Utility Company FAQ

Washington CDC Tap Water Info

For more information on your municipal water, visit the U.S. CDC:

City of Renton Municipal Water Company and CDC
  1. Where does City of Renton water come from?
    City of Renton supplies groundwater to Renton, Washington.
  2. Does City of Renton test its tap water?
    Yes. Like every public water system, City of Renton must test its water under the federal Safe Drinking Water Act and publish an annual water quality report (Consumer Confidence Report). Ask the utility for the latest report or look for it on its website.
  3. How do I contact City of Renton?
    Call 425-430-640 or visit 1055 South Grady Way, Renton, WA 98057, or use the contact options on the utility’s website.
  4. Does City of Renton water contain lead?
    Water usually leaves the treatment plant without lead. Lead can enter tap water from older service lines, solder and brass fixtures inside homes, especially when water sits in the pipes. Run the tap before drinking if water has been sitting, and ask the utility about lead testing and service line records.
  5. Is City of Renton water hard?
    Hardness depends on the source and changes over time. The annual water quality report lists hardness, or you can test it at home. If it is above about 7 grains per gallon, a water softener sized to your measured hardness will stop scale and spotting.
City of Renton consumer info

City of Renton provides municipal water services to the public of Renton and Renton, Washington.

Get the official City of Renton Local Water Analysis Report for Free (limited time offer).