UNION, Washington Tap Water Quality

5,409 people served · 27 water systems

Excellent

UNION, Washington is a small town with 5,409 residents served by 27 distinct public water systems. Water service covers ZIP code 98592.

UNION'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

98592

Health-Based Violations (Last 5 Years)

EPA Maximum Contaminant Level exceedances reported by water systems serving UNION. 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.

UNION'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 UNION

VUECREST

PWSID: WA5318637

191 served

MOUNTAIN VIEW

PWSID: WA5311656

41 served

AGATE BEACH

PWSID: WA5300510

48 served

ALDERBROOK WATER CO

PWSID: WA5301050

2,154 served

RHODODENDRON PLACE

PWSID: WA5301213

70 served

TWANOH HEIGHTS COMMUNITY CLUB

PWSID: WA5300153

118 served

BEL AIRE COVE

PWSID: WA5305243

32 served

ARCADIA ESTATES

PWSID: WA5302857

110 served

BAY EAST

PWSID: WA5304852

96 served

BAYSHORE

PWSID: WA5304900

130 served

BOLDUC COMMUNITY

PWSID: WA5307620

51 served

CANAL MUTUAL WATER

PWSID: WA5310999

167 served

CANYONWOOD BEACH WATER SUPPLY

PWSID: WA5311030

43 served

NEW PINE ACRES

PWSID: WA53AC152

60 served

TIGER LAKE TERRACE TRACTS

PWSID: WA5304237

70 served

BELLWOOD A

PWSID: WA5305534

163 served

CHERRY PARK

PWSID: WA5312560

111 served

UNION

PWSID: WA5351920

700 served

HOLIDAY BEACH WATER SUPPLY

PWSID: WA5333669

130 served

HIGHLAND ESTATES

PWSID: WA5332735

110 served

ORCHARD BEACH COMMUNITY

PWSID: WA5364031

64 served

WONDERLAND WATER COMPANY

PWSID: WA5398128

82 served

VIEW RIDGE HEIGHTS

PWSID: WA5391845

271 served

SPRINGWOOD

PWSID: WA5383408

90 served

VIEWCREST BEACH

PWSID: WA5391900

40 served

WOODLAND MANOR

PWSID: WA5398184

192 served

TWANOH TERRACE WATER CO

PWSID: WA5360190

75 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 UNION, 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 UNION have?▼

UNION has 0 EPA health-based water violations in the last 5 years across 27 water systems serving 5,409 people.

Should I use a water filter in UNION?▼

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 UNION?▼

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.