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King County, Washington | Municipal Water Utility Company | Public Service Announcement
Residents receiving water from Highline Water District should be aware that testing has identified several concerning contaminants including Total trihalomethanes (TTHMs), Chloramine, Polychlorinated biphenyls (PCBs) and Heptachlor epoxide, alongside elevated water hardness levels. Highline Water District provides your community with municipal water sourced from Purchased surface water.
What's in your tap water?
Limited Time: Free Official Water Safety Report for Highline Water District!
US Public Records
Highline Water District Area Details
Area served:
King County, Washington
Population served:
68598
Water source:
Purchased surface water
Phone:
206-824-0375
Address:
23828 30Th Ave S, Kent, WA 98032
3date
Contaminants Detected In King County, Washington
Bromodichloromethane; Chloroform; Chromium (hexavalent); Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroacetic aci… more
Limited Time: Free Official Water Safety Report for Highline Water District!
DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!
US Public Records
Highline Water District
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by Highline Water District
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); Alachlor (Lasso); Antimony; Atrazine; Benzene; Benzoic acid; Benzo[a]pyrene; Beryllium; Bromacil; Bromobenzene; Bromochloromethane; Bromomethane; Butachlor; Cadmium; Carbon tetrachloride; Chloramben; Chlordane; Chlorodifluoromethane; Chloromethane; cis-1,2-Dichloroethylene; Cobalt; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Dicamba; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dieldrin; Dinoseb; Endrin; Ethylbenzene; Ethylene dibromide; Fluorene; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorocyclopentadiene; Lindane; m- & p-Xylene; Manganese; Mercury (inorganic); Methoxychlor; Metolachlor; Metribuzin; Molybdenum; Monobromoacetic acid; Monochlorobenzene (chlorobenzene); n-Butylbenzene; Naphthalene; Nitrate; Nitrate & nitrite; 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; Polychlorinated biphenyls (PCBs); Propachlor; Radium; combined (-226 & -228); Radium-228; sec-Butylbenzene; Selenium; Silver; Simazine; Styrene; Tetrachloroethylene (perchloroethylene); Thallium; Toluene; Toxaphene; trans-1,2-Dichloroethylene; Trichloroethylene; Trichlorofluoromethane; Vinyl chloride; Xylenes (total)
What's in your tap water?
Discover which contaminants exceed Legal and Health Guidelines in your water supply.
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US Public Records
Highline Water District
About Us
In 2017, approximately 73% of Highline Water District's water supply came from Seattle Public Utilities (SPU) Cedar River Watershed. The remaining supply was sourced from four groundwater wells owned and operated by Highline Water District:
- Des Moines Well (S02)
- Tyee Well (S04)
- Angle Lake Well (S03)
- McMicken Well (S10)
Water from these wells undergoes filtration, treatment, and rigorous testing before being blended with SPU water.
How Are These Resources Protected?
To maintain water quality in the Cedar River Watershed, no recreational, agricultural, or industrial activities are permitted in the area. The Washington State Department of Health (DOH) has rated all surface water as highly susceptible, but the Cedar River Watershed's vulnerability is low thanks to SPU's Comprehensive Watershed Protection Plan.
Highline Water District's groundwater sources benefit from natural "confining layers" of material above the aquifer. These protective features are why DOH classified these water sources as having "low vulnerability" to contamination. For a complete assessment copy, contact the local DOH Drinking Water Office at (253) 395-6750.
Water Quality Testing
Your water undergoes frequent testing by both Highline Water District and Seattle Public Utilities to ensure quality water delivery to your home. Last year, your water was tested for more than 200 compounds and additional contaminants. Tests occur before and after treatment and throughout the distribution system.
The reports published in this document list all detected contaminants from the most recent required testing and compare them to EPA and Washington State limits to verify your tap water's safety. Over 200 additional compounds were tested for but not detected. For a complete list or if you have water quality questions, please contact us.
For more information on your municipal water, visit the U.S. Environmental Protection Agency:
Highline Water District Municipal Water Company and EPAHighline Water District Municipal Water Report Info
The EPA sets and enforces standards for tap water provided by municipal water systems. These standards help protect public health by limiting contaminant levels. Regular testing ensures your water meets these requirements, with results published annually.
Key regulations include the Safe Drinking Water Act, which authorizes the EPA to establish minimum health standards for drinking water quality. Local utilities must monitor for specific contaminants and report findings to state agencies and the public.
Municipal Water Utility Company FAQ
For more information on your municipal water, visit the U.S. CDC:
Highline Water District Municipal Water Company and CDCCommon questions about your municipal water supply:
- How often is my water tested? Your water is tested multiple times daily for basic parameters and regularly for contaminants according to EPA schedules.
- Why does my water sometimes appear cloudy? Temporary cloudiness is usually harmless air bubbles that dissipate after the water sits.
- Is bottled water safer than tap water? Not necessarily. Municipal water is often more strictly regulated than bottled water.
- What causes water hardness? Dissolved minerals like calcium and magnesium cause water hardness, which can affect appliance efficiency.
- How can I improve my water quality at home? Water filtration systems designed for your specific concerns can help address taste, odor, or hardness issues.
Highline Water District provides municipal water services to the residents of Kent and King County, Washington.
Get the Highline Water District Official Water Score Report for Free (limited time offer).
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US Public Records
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