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National Drinking Water Database


Lead (total) in Washington


Lead is a metal that enters water by corrosion of household plumbing systems, discharge of industrial pollution and erosion of natural deposits. [read more]

The Most Polluted Communities in Washington

1,384 water utilities reported detecting Lead (total) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Lead (total) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Bethel East
Port Orchard, WA
1274 of 436.8 ppb
(3 to 134 ppb)
2Place Eighteen Hoa
Port Orchard, WA
286 of 636.64 ppb
(2 to 151 ppb)
3Country Club Estates
Tumwater, WA
1031 of 131 ppb
(31 ppb)
4Tahuyeh Lake Community Club
Seabeck, WA
5582 of 223.6 ppb
(2.2 to 45 ppb)
5Port Orchard Water Dept
Port Orchard, WA
8,0603 of 320.58 ppb
(1.25 to 59 ppb)
6Riverside Villa
Puyallup, WA
1201 of 119.2 ppb
(19.2 ppb)
7Winlock City
Winlock, WA
1,1272 of 317.2 ppb
(0 to 46 ppb)
8Metaline Water Dept
Metaline, WA
1764 of 515.16 ppb
(0 to 50 ppb)
9Overdale Water Association
Issaquah, WA
4761 of 215 ppb
(0 to 30 ppb)
10Redtail Hawk Estates
Port Orchard, WA
755 of 614.92 ppb
(0 to 30 ppb)

Health Based Limits for Lead (total)

StandardDescriptionLevel
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.0 ppb
California Public Health GoalsDefined by the State of California Office of Environmental Health Hazard Assessment (OEHHA) as the level of contaminant that is allowed in drinking water. For acutely toxic substances, levels are set at which scientific evidence indicates that no known or anticipated adverse effects on health will occur, plus an adequate margin-of safety. PHGs for carcinogens or other substances which can cause chronic disease shall be based solely on health effects without regard to cost impacts and shall be set at levels which OEHHA has determined do not pose any significant risk to health.0.2 ppb

Violation Summary for Lead (total) in Washington

There are no violations reported for this contaminant in Washington