Lincoln Company Rw & Sewer District 4
EPA ID: OK2004105 · 2,525 people served · 8 ZIP codes
ZipCheckup's reading of EPA records for Lincoln Company Rw & Sewer District 4 (OK2004105): 13 violations on record since 2021. Over the period covered by EPA data, Lincoln Company Rw & Sewer District 4 recorded 13 violations, each listed as resolved; the utility serves 2,525 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Lincoln Company Rw & Sewer District 4 Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Lincoln Company Rw & Sewer District 4 have a median household income of $57,247 and about 31,895 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 73% 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?
Lincoln Company Rw & Sewer District 4's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
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
Lincoln Company Rw & Sewer District 4 (EPA ID: OK2004105) is a community water system in Oklahoma that serves approximately 2,525 people from surface water sources.
This system provides water to 8 ZIP codes across 8 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 8 resolved, 5 archived, 0 addressed, and 0 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 | Resolved |
| October 2, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2023 | Nitrate-Nitrite | Non-health-based | Resolved |
| January 1, 2023 | Nitrate-Nitrite | Non-health-based | Resolved |
| January 1, 2023 | Nitrate-Nitrite | Non-health-based | Resolved |
| January 1, 2023 | Nitrate-Nitrite | Non-health-based | Resolved |
| January 1, 2023 | Arsenic | Non-health-based | Archived |
| January 1, 2023 | Arsenic | Non-health-based | Archived |
| January 1, 2023 | Arsenic | Non-health-based | Archived |
| January 1, 2023 | Arsenic | Non-health-based | Archived |
| January 1, 2023 | Nitrite | Non-health-based | Archived |
| October 19, 2021 | E. COLI | Non-health-based | Resolved |
| September 9, 2021 | E. COLI | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Nitrate-Nitrite | Monitoring & Reporting | 4 | No |
| Nitrate-Nitrite | Monitoring & Reporting | 4 | No |
| E. COLI | Monitoring & Reporting | 2 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 2 | No |
| Nitrite | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0021 mg/L | No | 2023-12-31 |
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
8 of 8 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.
- 74023 - Cushing
- 74059 - Perkins
- 74062 - Ripley
- 74079 - Stroud
- 74824 - Agra
- 74832 - Carney
- 74875 - Tryon
- 74881 - Wellston
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lincoln Company Rw & Sewer District 4 (OK2004105) on EPA.gov.
Frequently Asked Questions
Is Lincoln Company Rw & Sewer District 4 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Lincoln Company Rw & Sewer District 4; its 13 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Lincoln Company Rw & Sewer District 4 serve?
Lincoln Company Rw & Sewer District 4 serves approximately 2,525 people across 8 ZIP codes in Oklahoma.
Where does Lincoln Company Rw & Sewer District 4 get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lincoln Company Rw and Sewer District 4: 13 EPA Violations. https://zipcheckup.com/water-system/ok2004105/
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author = {{ZipCheckup}},
title = {{Lincoln Company Rw and Sewer District 4: 13 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2004105/}
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What You Can Do
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lincoln Company Rw & Sewer District 4 (EPA ID: OK2004105) - request the latest Consumer Confidence Report or ask about specific contaminants.