Duncan Public Utilities Authority
Drinking water quality, contact, and Consumer Confidence Report
Serving 2 cities in OK · PWSID OK1010809
Duncan Public Utilities Authority serves 23,000 people. 10 health-based violations since 2020 in EPA's record — full violation history below.
- People served
- 23,000
- Last EPA sample
- 2024-07-10
- PFAS
- Not detected above guidelines
- Health-based violations since 2020
- 10
Data sources: EPA SDWIS, Duncan Public Utilities Authority's published Consumer Confidence Report, and compliance monitoring reported to EPA by Oklahoma DEQ.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official Duncan Public Utilities Authority Resources
Help Paying Your Duncan Public Utilities Authority Water Bill
- Ask Duncan Public Utilities Authority about payment plans and assistance.
- Call 211 to reach local help with utility bills.Verified from 211.org
- Find your local Community Action Agency.Verified from communityactionpartnership.com
- The federal water-bill program (LIHWAP) ended in March 2024.Verified from acf.govVerified from csd.ca.gov
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 Oklahoma
Duncan Public Utilities Authority Service Area
Loading map...
This map shows the approximate service area for Duncan Public Utilities Authority. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Duncan Public Utilities Authority Water Quality Grade
Not graded: Warning
Duncan Public Utilities Authority reads Warning. A letter grade is given only beside a Safe verdict.
Is Duncan Public Utilities Authority Water Safe to Drink?
Duncan Public Utilities Authority has reported 4 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL) in at least one city served. Duncan Public Utilities Authority has 10 health-based EPA violations since 2020 (EPA data as of Q2 2026), none of them open. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 23,000 people across 2 cities in OK. 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 Oklahoma →How does Oklahoma water quality rank nationally? →
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Oklahoma
Fluoride in Duncan Public Utilities Authority Water
Duncan Public Utilities Authority
PWSID OK1010809
No fluoride level in our data for Duncan Public Utilities Authority. Your utility's annual water quality report (CCR) lists it.
Duncan Public Utilities Authority Service Area
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
Duncan Public Utilities Authority Contact & Information
B2B Contact Data
B2B Contact Data Available
Contacts for Duncan Public Utilities Authority
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
chloramines
Duncan Public Utilities Authority 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 §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for Duncan Public Utilities Authority has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
Duncan Public Utilities Authority Annual Water Quality Reports
We don’t have a link we can confirm belongs to this system, and we’d rather show none than the wrong utility’s. Oklahoma DEQ publishes drinking-water reports for systems in this state.
Visit Oklahoma DEQWhat 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
Duncan Public Utilities Authority has 10 health-based EPA violations since 2020 (EPA data as of Q2 2026), none of them open.
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
| Violation | Contaminant or rule | Period | Status | Notice |
|---|---|---|---|---|
| Treatment Technique Precursor Removal | CARBON, TOTAL | Oct 2024 - Dec 2024 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Treatment Technique Precursor Removal | CARBON, TOTAL | Jul 2024 - Sep 2024 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Treatment Technique Precursor Removal | CARBON, TOTAL | Apr 2024 - Jun 2024 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Treatment Technique Precursor Removal | CARBON, TOTAL | Jan 2024 - Mar 2024 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2023 - Mar 2023 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Apr 2020 - Jun 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2020 - Mar 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2020 - Mar 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2020 - Mar 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Treatment Technique Precursor Removal | CARBON, TOTAL | Jan 2020 - Mar 2020 | Resolved | Tier 2 public notice |
Concerned about what's in your water?
You're viewing 5 contaminants above health-based guidelines here. Your own tap water can differ — 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 — we only ever share anonymized, area-level summaries.
Upload my testRecommended Water Filters for Duncan Public Utilities Authority
Based on water quality data from cities served by Duncan Public Utilities Authority, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about Duncan Public Utilities Authority
Is Duncan Public Utilities Authority water safe to drink?
Does Duncan Public Utilities Authority have PFAS in its water?
How do I pay my Duncan Public Utilities Authority water bill?
How many people does Duncan Public Utilities Authority serve?
What cities does Duncan Public Utilities Authority serve?
Does Duncan Public Utilities Authority have any EPA violations?
What is Duncan Public Utilities Authority's phone number?
Where can I find Duncan Public Utilities Authority's Consumer Confidence Report?
Similar water utilities in Oklahoma
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 — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: Duncan Public Utilities Authority's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS. The compliance records it holds for this system are reported to EPA by Oklahoma DEQ, the state's drinking-water primacy agency.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you Duncan Public Utilities Authority? 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 — it inherits this page's search authority and reaches every customer who Googles Duncan Public Utilities Authority.
- 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.
Free for operators. No card required. Typical setup: 5 minutes.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach Duncan Public Utilities Authority. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Duncan Public Utilities Authority directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.