Historical Compliance Records WA

King County Water District 119

EPA ID: WA5341985 ยท 3,800 people served ยท 2 ZIP codes

ZipCheckup's reading of EPA SDWIS for King County Water District 119 (WA5341985): 1 EPA violation in the last five years. Records for King County Water District 119 show 1 violation over the monitored period, with every finding addressed and officially closed - the provider, which serves approximately 3,800 people, carries no outstanding enforcement actions in the current EPA dataset and meets all applicable drinking water requirements.

Data: EPA SDWIS

A ยท 99
Avg Safety Score
3,800
People Served
2
ZIP Codes Served
1
Violations (5yr)
Surface Water
Water Source
Zone 3
Radon Risk ยท Low
1
Contaminants Flagged
$798K
Median Home Value in Service Area

Service Area Map

Coverage area for King County Water District 119 Source: EPA SDWIS service area boundaries.

Service area boundary - Grade A

Service Area Demographics

$156,842
Median Household Income
19,393
Service Area Population
12%
Disadvantaged Population
30th
Poverty Percentile
10th
Energy Burden Percentile
34%
Pre-1986 Housing

The King County Water District 119 serves a community with a median household income of $156,842 and an estimated 19,393 residents across its service area.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

King County Water District 119's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Moderate Risk
Source Contamination Risk
20th
Wastewater Discharge Proximity
70th
Superfund Site Proximity

Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.

Infrastructure Risk

30 yr
Avg Pipe Age
Copper
Pipe Material
41 yr
Est. Remaining Life
Stable
Decay Status
Installed 42% of expected lifespan used End of life

Detected Contaminants

How King County Water District 119 compares to EPA limits

What This Means For You

Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.

Comparable Water Systems

Similar-sized systems in Washington

2 violations
0 violations
Grand Mound
3,764 people
0 violations
Parkview Terrace
3,730 people
0 violations
6 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance
Flood Insurance $1,800
Total Estimated Cost $1,800

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$2,500
10 years
$5,000
20 years
$10,000

Compare: Estimated remediation cost is $1,800 (one-time) vs. $5,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

King County Water District 119 (EPA ID: WA5341985) is a community water system in Washington that serves approximately 3,800 people from surface water sources.

This system provides water to 2 ZIP codes across 2 communities.

ZIP-Area Home Safety Context: A (99/100)

This is the average Home Safety Score for 1 of 2 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 1 record in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
July 1, 2021 Surface Water Treatment Rule Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Surface Water Treatment Rule Treatment Failure 1 No

Lead & Copper

No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by WA or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for King County Water District 119 (WA5341985) on EPA.gov.

Frequently Asked Questions

Is King County Water District 119 water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for King County Water District 119; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does King County Water District 119 serve?

King County Water District 119 serves approximately 3,800 people across 2 ZIP codes in Washington.

Where does King County Water District 119 get its water?

The primary water source is surface water.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
116

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

Frequently Asked Questions

Is water from King County Water District 119 safe to drink?
King County Water District 119 earns a A safety grade with 1 violation in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in King County Water District 119's water?
Detected contaminants include Surface Water Treatment Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 1 contaminant above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does King County Water District 119 serve?
King County Water District 119 serves approximately 3,800 people with drinking water across 2 ZIP codes.
What is King County Water District 119's water source?
King County Water District 119 draws water from surface water sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of King County Water District 119's service area?
The King County Water District 119 service area has a median household income of $156,842. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does King County Water District 119 get its water?
King County Water District 119's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. Based on available data, the source contamination risk is moderate.

How to cite this page

APA ZipCheckup. (n.d.). King County Water District 119 (WA): 1 EPA Violation. https://zipcheckup.com/water-system/wa5341985/
BibTeX
@misc{zipcheckup-water-system-wa5341985,
  author = {{ZipCheckup}},
  title  = {{King County Water District 119 (WA): 1 EPA Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/wa5341985/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

King County Water District 119 (EPA ID: WA5341985) - request the latest Consumer Confidence Report or ask about specific contaminants.

Home Water Systems Washington King County Water District 119

Get safety alerts for King County Water District 119, Washington

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.