Health Violations Found OK 1 HEALTH VIOLATION

Greenfield Pwa

EPA ID: OK3000606 · 123 people served · 1 ZIP code

Current EPA status: Greenfield Pwa, 5 open violations, 123 people served.

Data: EPA SDWIS Last verified: 2026-04-02

A · 89
Avg Safety Score
123
People Served
1
ZIP Code Served
15
Violations (5yr)
Groundwater
Water Source
0.0066 mg/L
Max Lead Level
Zone 3
Radon Risk · Low
5
Contaminants Flagged
$89K
Median Home Value in Service Area

Service Area Map

Coverage area for Greenfield Pwa Source: EPA SDWIS service area boundaries.

Service area boundary — Grade A

Service Area Demographics

$73,125
Median Household Income
176
Service Area Population
100%
Disadvantaged Population
70th
Poverty Percentile
60th
Energy Burden Percentile
80%
Pre-1986 Housing

The Greenfield Pwa serves a community with a median household income of $73,125 and an estimated 176 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

💧 Where Does Your Water Come From?

Groundwater

Greenfield Pwa's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
30th
Wastewater Discharge Proximity
0th
Superfund Site Proximity

About 0% of homes in Blaine County, Oklahoma rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Infrastructure Risk

51 yr
Avg Pipe Age
Copper
Pipe Material
19 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 73% of expected lifespan used End of life

Detected Contaminants

How Greenfield Pwa compares to EPA limits

What This Means For You

Consumer Confidence Report Rule at 5 mg/L exceeds the EPA maximum of mg/L.

Revised Total Coliform Rule at 4 presence exceeds the EPA maximum of presence.

Stage 1 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.

Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.

Comparable Water Systems

Similar-sized systems in Oklahoma

Strikeaxe Airport
125 people
0 violations
0 violations
Foss
127 people
0 violations
A 1 violation
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration
Water Filtration $300
Total Estimated Cost $300

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$7,500
10 years
$15,000
20 years
$30,000

Compare: Estimated remediation cost is $300 (one-time) vs. $15,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Greenfield Pwa (EPA ID: OK3000606) is a community water system in Oklahoma that serves approximately 123 people from groundwater sources.

This system serves ZIP code 73043 in Greenfield.

Average Home Safety Score: A (89/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

1 health-based violation recorded in the past 5 years. 5 remain unresolved.

Recent Violations

Date Contaminant Type Status
July 1, 2025 Stage 1 DBP Rule Monitoring Unresolved
June 1, 2025 Revised Total Coliform Rule Monitoring Resolved
June 1, 2025 Consumer Confidence Report Rule Monitoring Resolved
March 1, 2025 Revised Total Coliform Rule Monitoring Resolved
March 1, 2025 Consumer Confidence Report Rule Monitoring Resolved
October 17, 2024 Stage 2 DBP Rule Health-based Unresolved
October 17, 2024 Stage 2 DBP Rule Monitoring Unresolved
October 1, 2024 Stage 1 DBP Rule Monitoring Unresolved
September 1, 2024 Revised Total Coliform Rule Monitoring Resolved
September 1, 2024 Consumer Confidence Report Rule Monitoring Resolved
March 1, 2024 Consumer Confidence Report Rule Monitoring Resolved
January 1, 2024 Revised Total Coliform Rule Monitoring Unresolved
January 1, 2024 Consumer Confidence Report Rule Monitoring Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Consumer Confidence Report Rule Reporting Failure 5 No
Revised Total Coliform Rule Microbiological 4 No
Stage 1 DBP Rule Treatment Failure 3 No
Stage 2 DBP Rule Treatment Failure 2 Yes
Surface Water Treatment Rule Treatment Failure 1 No

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
73043 0.0066 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Greenfield Pwa (OK3000606) on EPA.gov.

Frequently Asked Questions

Is Greenfield Pwa water safe to drink?

Greenfield Pwa has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

How many people does Greenfield Pwa serve?

Greenfield Pwa serves approximately 123 people across 1 ZIP code in Oklahoma.

Where does Greenfield Pwa get its water?

The primary water source is groundwater.

Contact Your Water Utility

Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.

Phone
580-623-3428
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Address
P.O. BOX 12, GREENFIELD OK, 73043

Contact information from GREENFIELD PWA Consumer Confidence Report.

ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.

Water Source & Treatment

Where this water originates and how it's treated before reaching your tap.

Source
Purchased from another utility
Treated water purchased wholesale from another water system.
Disinfectant used
Chlorine
Treatment chemicals reported
chlorine

Source: GREENFIELD PWA Consumer Confidence Report.

ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.

Treatment regime

How this utility classifies its treatment process and what each reported treatment chemical does.

Treatment classification
Standard
Disinfection plus one or more treatment additives — typically corrosion control, pH adjustment, or fluoridation. Standard regime for utilities serving treated municipal water.

Treatment chemicals and what each one does

Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.

Disinfectant
Inactivates bacteria, viruses, and parasites in the treated water.
chlorine

Treatment classification and chemical list sourced from GREENFIELD PWA Consumer Confidence Report.

Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
71
Unknown Material
2
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2016-01-01 did not exceed the federal lead action level.
Reporting compliance issue flagged by EPA under Rule 2E.
Compliance issue flagged by EPA under Rule 4G.
Population served: 123
Reported to Oklahoma

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Notable events and violations

This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.

Federal compliance violations on record

These entries are taken verbatim from the utility's CCR violations section. EPA defines four broad violation categories: Maximum Contaminant Level (MCL), Treatment Technique (TT), Monitoring & Reporting (M&R), and Public Notification (PN).

  • monitoring · LEAD & COPPER RULE
    2022-01-01 - 2024-12-31
    FOLLOW-UP OR ROUTINE TAP M/R (LCR)
  • monitoring · CHLORINE
    2024-01-01 - 2024-01-31
    MONITORING, ROUTINE (DBP), MAJOR
  • monitoring · CHLORINE
    2024-02-01 - 2024-02-29
    MONITORING, ROUTINE (DBP), MAJOR
  • monitoring · CHLORINE
    2024-03-01 - 2024-03-31
    MONITORING, ROUTINE (DBP), MAJOR
  • monitoring · CHLORINE
    2024-09-01 - 2024-09-30
    MONITORING, ROUTINE (DBP), MAJOR
  • monitoring · E. COLI
    2024-01-01 - 2024-01-31
    MONITORING, ROUTINE, MAJOR (RTCR)
  • monitoring · E. COLI
    2024-03-01 - 2024-03-31
    MONITORING, ROUTINE, MAJOR (RTCR)
  • monitoring · E. COLI
    2024-09-01 - 2024-09-30
    MONITORING, ROUTINE, MAJOR (RTCR)
  • monitoring · TTHM
    2024-01-01 - 2024-12-31
    MONITORING, ROUTINE (DBP), MAJOR
  • monitoring · CHLORINE
    2024-12-01 - 2024-12-31
    MONITORING, ROUTINE (DBP), MAJOR
  • monitoring · GLYPHOSATE
    2024-04-01 - 2024-06-30
    MONITORING, ROUTINE MAJOR
  • monitoring · NITRATE-NITRITE
    2024-07-01 - 2024-09-30
    MONITORING, ROUTINE MAJOR
  • monitoring · BHC-GAMMA
    2024-07-01 - 2024-09-30
    MONITORING, ROUTINE MAJOR
  • monitoring · HEXACHLOROBENZENE
    2024-07-01 - 2024-09-30
    MONITORING, ROUTINE MAJOR
  • monitoring · BHC-GAMMA
    2024-10-01 - 2024-12-31
    MONITORING, ROUTINE MAJOR
  • monitoring · GLYPHOSATE
    2024-10-01 - 2024-12-31
    MONITORING, ROUTINE MAJOR
  • monitoring · 2,4-D
    2024-10-01 - 2024-12-31
    MONITORING, ROUTINE MAJOR
  • monitoring · HEXACHLOROBENZENE
    2024-10-01 - 2024-12-31
    MONITORING, ROUTINE MAJOR
  • monitoring and reporting · DISINFECTANT BY-PRODUCT
    2021-01-01 - 2023-12-31
    Missing 1 sample required; 1 sample missing
  • monitoring and reporting · E. COLI
    2024-12-01 - 2024-12-31
    MONITORING, ROUTINE, MAJOR (RTCR)
  • monitoring · TTHM
    2023-10-02 - 2024-01-31
    Fontier, LLC issuing CCR — Adequacy/Content Monitoring, Routine (DBP)
  • monitoring · CHLORINE
    2024-12-01 - 2024-12-31
    Fontier, LLC — Monitoring, Routine (DBP), Major

Violations record from GREENFIELD PWA Consumer Confidence Report.

ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.

Frequently Asked Questions

Is water from Greenfield Pwa safe to drink? ▼
Greenfield Pwa earns a A safety grade with 15 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Greenfield Pwa's water? ▼
Detected contaminants include Consumer Confidence Report Rule, Revised Total Coliform Rule, Stage 1 DBP Rule, Stage 2 DBP Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter? ▼
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Greenfield Pwa serve? ▼
Greenfield Pwa serves approximately 123 people with drinking water across 1 ZIP code.
What is Greenfield Pwa's water source? ▼
Greenfield Pwa draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Greenfield Pwa's water? ▼
The maximum detected lead level is 0.0066 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Greenfield Pwa's service area? ▼
The Greenfield Pwa service area has a median household income of $73,125. EPA EJScreen data classifies 100% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Greenfield Pwa get its water? ▼
Greenfield Pwa's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on violation history and environmental factors, the source contamination risk is currently elevated.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Greenfield Pwa (EPA ID: OK3000606) — request the latest Consumer Confidence Report or ask about specific contaminants.

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