Grandfield
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in OK · PWSID OK2007103
Grandfield serves 1,110 people. 35 health-based violations since 2020 in EPA's record — full violation history below.
- People served
- 1,110
- PFAS
- No results on file
- Health-based violations since 2020
- 35
Data sources: EPA SDWIS, Grandfield'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 Grandfield Resources
Help Paying Your Grandfield Water Bill
- Ask Grandfield 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
Grandfield Service Area
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This map shows the approximate service area for Grandfield. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Grandfield Water Quality Grade
Not graded: Danger
Grandfield reads Danger. A letter grade is given only beside a Safe verdict.
Is Grandfield Water Safe to Drink?
Grandfield has reported 6 contaminants above EPA health-based guidelines (MCLGs) and 2 above EPA's legal limit (MCL) in at least one city served. Grandfield has 35 health-based EPA violations since 2020 (EPA data as of Q2 2026), none of them open; 22 required a 24-hour public notice. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 1,110 people across 1 city 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 Grandfield Water
Grandfield
PWSID OK2007103
Grandfield reported 0.53 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
Grandfield Service Area
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Grandfield Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Grandfield
| 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
Grandfield 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 Grandfield 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.
Grandfield 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
Grandfield has 35 health-based EPA violations since 2020 (EPA data as of Q2 2026), none of them open; 22 required a 24-hour public notice.
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
| Violation | Contaminant or rule | Period | Status | Notice |
|---|---|---|---|---|
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jan 2026 - Mar 2026 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Oct 2025 - Dec 2025 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jul 2025 - Sep 2025 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Apr 2025 - Jun 2025 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jan 2025 - Mar 2025 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Oct 2024 - Dec 2024 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jul 2024 - Sep 2024 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Apr 2024 - Jun 2024 | Archived by the state, no resolution recorded | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2024 - Mar 2024 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Oct 2023 - Dec 2023 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jul 2023 - Sep 2023 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Apr 2023 - Jun 2023 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Apr 2023 - Jun 2023 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jan 2023 - Mar 2023 | Resolved | Acute: required a 24-hour 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, Single Sample | Nitrate-Nitrite | Oct 2022 - Dec 2022 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Oct 2022 - Dec 2022 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jul 2022 - Sep 2022 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jul 2022 - Sep 2022 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Apr 2022 - Jun 2022 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jan 2022 - Mar 2022 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2022 - Mar 2022 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Oct 2021 - Dec 2021 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jul 2021 - Sep 2021 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Apr 2021 - Jun 2021 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Apr 2021 - Jun 2021 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jan 2021 - Mar 2021 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jan 2021 - Mar 2021 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Oct 2020 - Dec 2020 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Oct 2020 - Dec 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Jul 2020 - Sep 2020 | Resolved | Acute: required a 24-hour public notice |
| Maximum Contaminant Level Violation, Average | TTHM | Jul 2020 - Sep 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Apr 2020 - Jun 2020 | Resolved | Acute: required a 24-hour 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, Single Sample | Nitrate-Nitrite | Jan 2020 - Mar 2020 | Resolved | Acute: required a 24-hour public notice |
Concerned about what's in your water?
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Upload my testRecommended Water Filters for Grandfield
Based on water quality data from cities served by Grandfield, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about Grandfield
Is Grandfield water safe to drink?
Does Grandfield have PFAS in its water?
How do I pay my Grandfield water bill?
How many people does Grandfield serve?
What cities does Grandfield serve?
Does Grandfield have any EPA violations?
What is Grandfield's phone number?
Where can I find Grandfield'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: Grandfield'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 Grandfield? 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 Grandfield.
- 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.
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This form corrects our data; it does not reach Grandfield. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Grandfield directly.
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