Dewey Company Rwd #3
EPA ID: OK2007707 · 755 people served · 5 ZIP codes
ZipCheckup's reading of EPA records for Dewey Company Rwd #3 (OK2007707): 4 violations recorded with unresolved status in the SDWIS data used. Dewey Company Rwd #3 has 4 EPA violations listed as open in the reviewed federal record - approximately 755 people fall within its service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Dewey Company Rwd #3 Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: B
Demographics of ZIP Codes Served
The ZIP codes associated with Dewey Company Rwd #3 have a median household income of $65,454 and about 17,663 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 78% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Dewey Company Rwd #3's water is classified in EPA records as a groundwater source. 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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Oklahoma
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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.
System Overview
Dewey Company Rwd #3 (EPA ID: OK2007707) is a community water system in Oklahoma that serves approximately 755 people from groundwater sources.
This system provides water to 5 ZIP codes across 5 communities.
ZIP-Area Home Safety Context: B (84/100)
This is the average Home Safety Score for 1 of 5 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 8 resolved, 2 archived, 2 addressed, and 2 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Unaddressed (current) |
| January 1, 2025 | TTHM | Non-health-based | Archived |
| January 1, 2025 | Total Haloacetic Acids (HAA5) | Non-health-based | Archived |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Health-based | Addressed (current) |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Addressed (current) |
| July 1, 2024 | Consumer Confidence Rule | Non-health-based | Unaddressed (current) |
| October 2, 2022 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2022 | Glyphosate | Non-health-based | Resolved |
| July 1, 2022 | Glyphosate | Non-health-based | Resolved |
| July 1, 2022 | 2,4-D | Non-health-based | Resolved |
| July 1, 2022 | 2,4-D | Non-health-based | Resolved |
| July 1, 2022 | TTHM | Non-health-based | Resolved |
| July 1, 2022 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 1, 2021 | Consumer Confidence Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Rule | Other (notice or report rule) | 4 | No |
| Glyphosate | Other Violation | 2 | No |
| 2,4-D | Other Violation | 2 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 2 | No |
| TTHM | Monitoring & Reporting | 2 | No |
| LEAD AND COPPER RULE REVISIONS | Treatment Technique, Monitoring & Reporting | 2 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
5 of 5 ZIP records with known zones are in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OK or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Dewey Company Rwd #3 (OK2007707) on EPA.gov.
Frequently Asked Questions
Is Dewey Company Rwd #3 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Dewey Company Rwd #3. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Dewey Company Rwd #3 serve?
Dewey Company Rwd #3 serves approximately 755 people across 5 ZIP codes in Oklahoma.
Where does Dewey Company Rwd #3 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Dewey Company Rwd #3 (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok2007707/
@misc{zipcheckup-water-system-ok2007707,
author = {{ZipCheckup}},
title = {{Dewey Company Rwd #3 (OK): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2007707/}
}
What You Can Do
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Dewey Company Rwd #3 (EPA ID: OK2007707) - request the latest Consumer Confidence Report or ask about specific contaminants.