EPA SDWIS DataWashington

Lead in Washington Drinking Water

Washington has 10,086 public water systems. 61 have recorded lead violations.

Total Systems

10,086

With Violations

61

EPA MCL

0.015

Population Served

9.9M

Lead in Washington: Key Facts

Total Water Systems

10,086

Systems with Violations

61

Lead Violations

61

Copper Violations

443

EPA Standard

Action level: 0.015 mg/L

MCLG (goal): 0 mg/L

Systems with Lead Violations in Washington

SystemPopulationLead (ppb)
BEACH ELEMENTARY SCHOOL/MIKE MURPHY57625.0
ELIZA ISLAND BEACH CLUB98110.0
Mission Creek Corrections Center4092.0
WASHINGTON STATE PATROL ACADEMY14491.6
SALKUM WATER SUPPLY10385.9
BRAZEAU MOBILE HOME PARK1885.5
QUINAULT BEACH RESORT1K70.0
Kamilche/Tribal Housing38568.2

Health Effects of Lead Exposure

Neurological damage

Especially harmful to children under 6; causes IQ loss and developmental delays

Kidney disease

Chronic exposure damages kidney function in adults

Cardiovascular effects

Linked to high blood pressure and heart disease

No safe level

The CDC states there is no safe blood lead level for children

Developmental delays in children, kidney problems, high blood pressure. No safe level of lead exposure for children.

Frequently Asked Questions

Is there lead in Washington water?

Washington has 10,086 public water systems. 61 have recorded lead violations based on EPA SDWIS data. If you are on a private well, your water is not covered by these regulations and should be tested independently.

How can I check my Washington water for lead?

Search for your water system using the WaterCheck system lookup, or contact your utility and request a copy of your Consumer Confidence Report (CCR). The CCR is published annually and lists all detected contaminants, their levels, and the EPA MCLs. For private wells, contact a state-certified lab for independent testing.

What is the EPA limit for lead?

The EPA Maximum Contaminant Level (MCL) for lead is Action level: 0.015 mg/L. For lead, the action level is 0.015 mg/L (15 ppb). If more than 10% of samples exceed this level, the utility must take corrective action. Systems that exceed MCLs are required to notify customers and take corrective action.

Lead at a Glance

Categoryheavy metal
EPA MCLAction level: 0.015 mg/L

Source

Corrosion of household plumbing systems; erosion of natural deposits

How to Filter Lead

  • +Use NSF/ANSI 53 or 58 certified filter for lead removal
  • +Run cold water 1-2 minutes if pipes have been idle 6+ hours
  • +Never use hot tap water for cooking or drinking
  • +Consider reverse osmosis for thorough removal