Nicoma Park
EPA ID: OK8005579 · 318 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Nicoma Park (OK8005579): 1 health-based violation recorded since 2021. Over the period covered by EPA data, Nicoma Park recorded 157 violations, each listed as resolved; the utility serves 318 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Nicoma Park Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Nicoma Park have a median household income of $66,874 and about 23,864 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 46% 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?
Nicoma Park'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
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 2 detections recorded.
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
Nicoma Park (EPA ID: OK8005579) is a community water system in Oklahoma that serves approximately 318 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Status breakdown for accepted records with record years 2021-2026: 157 resolved, 0 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 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2025 | Endrin | Non-health-based | Resolved |
| July 1, 2025 | BHC-GAMMA | Non-health-based | Resolved |
| July 1, 2025 | Methoxychlor | Non-health-based | Resolved |
| July 1, 2025 | Toxaphene | Non-health-based | Resolved |
| July 1, 2025 | Dalapon | Non-health-based | Resolved |
| July 1, 2025 | Diquat | Non-health-based | Resolved |
| July 1, 2025 | Endothall | Non-health-based | Resolved |
| July 1, 2025 | Glyphosate | Non-health-based | Resolved |
| July 1, 2025 | Di(2-ethylhexyl) adipate | Non-health-based | Resolved |
| July 1, 2025 | OXAMYL | Non-health-based | Resolved |
| July 1, 2025 | Simazine | Non-health-based | Resolved |
| July 1, 2025 | Di(2-ethylhexyl) phthalate | Non-health-based | Resolved |
| July 1, 2025 | Picloram | Non-health-based | Resolved |
| July 1, 2025 | Dinoseb | Non-health-based | Resolved |
| July 1, 2025 | Hexachlorocyclopentadiene | Non-health-based | Resolved |
| July 1, 2025 | Carbofuran | Non-health-based | Resolved |
| July 1, 2025 | Atrazine | Non-health-based | Resolved |
| July 1, 2025 | LASSO | Non-health-based | Resolved |
| July 1, 2025 | Heptachlor | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Endrin | Other Violation | 6 | No |
| BHC-GAMMA | Other Violation | 6 | No |
| Methoxychlor | Other Violation | 6 | No |
| Hexachlorocyclopentadiene | Other Violation | 6 | No |
| Heptachlor | Other Violation | 6 | No |
| Heptachlor epoxide | Other Violation | 6 | No |
| HEXACHLOROBENZENE | Other Violation | 6 | No |
| Toxaphene | Other Violation | 4 | No |
| Dalapon | Other Violation | 4 | No |
| Diquat | Other Violation | 4 | No |
| Endothall | Other Violation | 4 | No |
| Glyphosate | Other Violation | 4 | No |
| Di(2-ethylhexyl) adipate | Other Violation | 4 | No |
| OXAMYL | Other Violation | 4 | No |
| Simazine | Other Violation | 4 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0322 mg/L | Yes | 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.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 Nicoma Park (OK8005579) on EPA.gov.
Frequently Asked Questions
Is Nicoma Park water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Nicoma Park; its 157 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Nicoma Park serve?
Nicoma Park serves approximately 318 people across 2 ZIP codes in Oklahoma.
Where does Nicoma Park get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Nicoma Park (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok8005579/
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author = {{ZipCheckup}},
title = {{Nicoma Park (OK): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok8005579/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Nicoma Park (EPA ID: OK8005579) - request the latest Consumer Confidence Report or ask about specific contaminants.