Ellensburg, Washington Tap Water Quality

21,898 people served · 8 water systems

Excellent

Ellensburg, Washington is a small city with 21,898 residents served by a network of 8 public water systems. Water service covers ZIP code 98926.

Ellensburg's drinking water utilities have maintained full EPA compliance over the most recent five-year reporting window — no health-based MCL exceedances have been recorded.

Last updated: 2026-05-18 · Source: EPA SDWIS

Location

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Centered on ZIP-code centroids of water systems serving this city.

ZIP Codes Served

98926

Health-Based Violations (Last 5 Years)

EPA Maximum Contaminant Level exceedances reported by water systems serving Ellensburg. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.

✅

No health-based violations in the last 5 years.

Ellensburg's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.

Water Systems Serving Ellensburg

CASCADE VILLAGE MHP

PWSID: WA5311488

164 served

ELLENSBURG WATER DEPT

PWSID: WA5322950

20,900 served

GRASSLANDS WATER SYSTEM

PWSID: WA5329172

260 served

CENTRAL MOBILE HOME PARK

PWSID: WA5312170

110 served

QUAIL RUN MOBILE HOME PARK

PWSID: WA5339424

165 served

LAKEVIEW MOBILE TERRACE

PWSID: WA5345312

43 served

PONDEROSA MOBILE HOME PARK

PWSID: WA5368420

105 served

SPORTSMAN TRAILER PARK

PWSID: WA5383116

151 served

What Can You Do?

✅ Request your utility's annual Consumer Confidence Report (CCR) — required by law.
✅ Use an NSF-certified water filter if violations involve lead, arsenic, or PFAS.
✅ Run cold water for 30 seconds before drinking if you have older plumbing (reduces lead).
✅ Check back monthly — we update data from the EPA every 30 days.

About this data

This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that remained within federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.

Frequently Asked Questions

Is Ellensburg, Washington tap water safe to drink?▼

This city's water had no EPA health-based violations in the last 5 years.

How many EPA violations does Ellensburg have?▼

Ellensburg has 0 EPA health-based water violations in the last 5 years across 8 water systems serving 21,898 people.

Should I use a water filter in Ellensburg?▼

Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.

What should I do if there are violations in Ellensburg?▼

Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.