DUBUQUE, Iowa Tap Water Quality

60,492 people served · 12 water systems

Excellent

DUBUQUE, Iowa is a mid-sized community with 60,492 residents served by a network of 12 public water systems. Water service covers ZIP codes 52001, 52002, 52003.

DUBUQUE'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

52001 52002 52003

Health-Based Violations (Last 5 Years)

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

DUBUQUE'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 DUBUQUE

GAVIN ESTATES

PWSID: IA3100823

52 served

EIRUSS DROESSLERS

PWSID: IA4910701

158 served

STAR WATER

PWSID: IA3126316

110 served

SHAGBARK ESTATES

PWSID: IA3126345

38 served

REGENCY WEST SUBDIVISION

PWSID: IA3126308

46 served

DUBUQUE WATER WORKS

PWSID: IA3126052

59,667 served

QUALITY WATER, INC. #2 (K-L)

PWSID: IA3126303

70 served

ACE MOBILE HOME PARK

PWSID: IA3100629

32 served

LORE OAKS HOMEOWNERS ASSN.

PWSID: IA3126306

64 served

GREEN BRIER SUBDIVISION

PWSID: IA3126307

35 served

NORTH END MOBILE HOME PARK

PWSID: IA3100609

40 served

SPRING VALLEY PARK

PWSID: IA3100606

180 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 DUBUQUE, Iowa 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 DUBUQUE have?▼

DUBUQUE has 0 EPA health-based water violations in the last 5 years across 12 water systems serving 60,492 people.

Should I use a water filter in DUBUQUE?▼

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 DUBUQUE?▼

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.