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Dubuque Water Works

Drinking water quality, contact, and Consumer Confidence Report

Serving 3 cities in IA ยท PWSID IA3126052

Dubuque Water Works serves 59,667 people. PFAS detected above health guidelines (Perfluorooctanoic acid) โ€” full contaminant breakdown below.

Monitor
2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029)
People served
59,667
Last EPA sample
2025-06-09
PFAS
Detected (1 compound)
Health-based violations since 2020
0

Data sources: EPA SDWIS, Dubuque Water Works's published Consumer Confidence Report, and compliance monitoring reported to EPA by Iowa DNR.

This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.

60K
People Served
3
Cities
1
Water Sources
0
Health-based violations since 2020

Official Dubuque Water Works Resources

Help Paying Your Dubuque Water Works Water Bill

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Water outage or no water?

Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Iowa

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Dubuque Water Works Service Area

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Service Area

This map shows the approximate service area for Dubuque Water Works. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

Dubuque Water Works Water Quality Grade

Not graded: Monitor

Dubuque Water Works reads Monitor. A letter grade is given only beside a Safe verdict.

3
Above Health Guidelines
0
Health-based violations since 2020

Is Dubuque Water Works Water Safe to Drink?

Dubuque Water Works has reported 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 59,667 people across 3 cities in IA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in Iowa โ†’How does Iowa water quality rank nationally? โ†’

Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Iowa

Fluoride in Dubuque Water Works Water

  • Dubuque Water Works

    PWSID IA3126052

    No fluoride level in our data for Dubuque Water Works. Your utility's annual water quality report (CCR) lists it.

Check fluoride levels by ZIP code

Dubuque Water Works Service Area

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Dubuque Water Works Contact & Information

Phone

Mailing Address

1902 HAWTHORNE ST Dubuque, IA 52001

B2B Contact Data

B2B Contact Data Available

Contacts for Dubuque Water Works

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
Jโ–ˆโ–ˆโ–ˆโ–ˆ Sโ–ˆโ–ˆโ–ˆโ–ˆWater Treatment Supervisor(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆjโ–ˆโ–ˆโ–ˆโ–ˆ@cityโ–ˆโ–ˆโ–ˆโ–ˆ.gov
Mโ–ˆโ–ˆโ–ˆโ–ˆ Jโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆUtility Director(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆmโ–ˆโ–ˆโ–ˆโ–ˆ@waterโ–ˆโ–ˆโ–ˆโ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

filtrationsoftening

Disinfectant Used

hypochlorite

Dubuque Water Works Consumer Confidence Report

A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act ยง1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for Dubuque Water Works has not been published or validated on TapWaterData yet.

Publish your 2027 CCR

Are you the water operator here? Publish your official 2027-compliant CCR on this page โ€” residents already find it here.

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Residents: contact the utility directly using the phone number above, or check the EPAโ€™s national CCR portal. Reports are typically distributed by mail or posted on the utilityโ€™s official website.

Dubuque Water Works Annual Water Quality Reports

Find Dubuque Water Worksโ€™s report

We donโ€™t have a link we can confirm belongs to this system, and weโ€™d rather show none than the wrong utilityโ€™s. Iowa DNR publishes drinking-water reports for systems in this state.

Visit Iowa DNR

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

EPA Health-Based Violations Since 2020

Dubuque Water Works has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).

Concerned about what's in your water?

You're viewing 3 contaminants above health-based guidelines here. Your own tap water can differ โ€” upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.

Your upload also helps us keep local water data accurate โ€” we only ever share anonymized, area-level summaries.

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Recommended Water Filters for Dubuque Water Works

Based on water quality data from cities served by Dubuque Water Works, we recommend NSF-certified filters that can remove contaminants above health guidelines.

Filter guides for the contaminants detected here:

Frequently Asked Questions about Dubuque Water Works

Is Dubuque Water Works water safe to drink?

Dubuque Water Works has reported 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) in at least one city served. We recommend reviewing individual city reports for specific water quality details.

Does Dubuque Water Works have PFAS in its water?

Yes. Dubuque Water Works has reported Perfluorooctanoic acid above EPA's enforceable limit under the 2024 PFAS rule (4 ng/L for PFOA and PFOS, 10 ng/L for PFHxS and PFNA), and Perfluorooctanoic acid above the MCLG health goal. PFAS ("forever chemicals") are linked to cancer and developmental issues. A certified NSF/ANSI 53 or 58 filter is rated to reduce them. Compliance is judged on a running annual average, so check the utility's latest Consumer Confidence Report for its official status.

How do I pay my Dubuque Water Works water bill?

Dubuque Water Works bills can be paid at the utility's official payment portal: https://www.cityofdubuque.org/472/Payment-Options. For questions about your bill, call 563-589-4291.

How many people does Dubuque Water Works serve?

Dubuque Water Works serves 59,667 people across 3 cities in IA.

What cities does Dubuque Water Works serve?

Dubuque Water Works provides water service to: Asbury, IA; Dubuque, IA; Sageville, IA.

Does Dubuque Water Works have any EPA violations?

No. Dubuque Water Works has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

What is Dubuque Water Works's phone number?

You can contact Dubuque Water Works at 563-589-4291. Their mailing address is: 1902 HAWTHORNE ST Dubuque, IA 52001.

Where can I find Dubuque Water Works's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for Dubuque Water Works's CCR, contact them at 563-589-4291 or check back here โ€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

Similar water utilities in Iowa

How we built this page

Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data โ€” typically within days of an EPA SDWIS refresh.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page โ€” corrections feed back into the next data refresh. Learn more about TapWaterData.

Are you Dubuque Water Works? Publish your 2027 CCR

TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here โ€” it inherits this page's search authority and reaches every customer who Googles Dubuque Water Works.

  • EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
  • Publish once a year. Agent-assisted workflow; no login setup for small systems.
  • Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
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This form corrects our data; it does not reach Dubuque Water Works. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Dubuque Water Works directly.

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