Kremlin-hillsdale Rural Water District 1
EPA ID: OK2002402 · 320 people served · 4 ZIP codes
ZipCheckup's reading of EPA records for Kremlin-hillsdale Rural Water District 1 (OK2002402): 8 health-based violations recorded since 2021. Per the federal file, all 17 violations logged for Kremlin-hillsdale Rural Water District 1 carry a resolved status, and around 320 people get water from this system.
Data: EPA SDWIS
Service Area Map
Coverage area for Kremlin-hillsdale Rural Water District 1 Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Kremlin-hillsdale Rural Water District 1 have a median household income of $70,000 and about 26,886 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 82% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Kremlin-hillsdale Rural Water District 1'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
Kremlin-hillsdale Rural Water District 1 (EPA ID: OK2002402) is a community water system in Oklahoma that serves approximately 320 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 13 resolved, 4 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 |
|---|---|---|---|
| January 1, 2026 | Nitrate-Nitrite | Health-based | Archived |
| July 1, 2025 | Nitrate-Nitrite | Non-health-based | Resolved |
| October 1, 2024 | Nitrate-Nitrite | Health-based | Archived |
| July 1, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2024 | Nitrate-Nitrite | Health-based | Archived |
| January 1, 2024 | Nitrate-Nitrite | Health-based | Resolved |
| October 1, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| October 1, 2023 | Nitrate-Nitrite | Health-based | Resolved |
| July 1, 2023 | Nitrate-Nitrite | Health-based | Resolved |
| April 1, 2023 | Nitrate-Nitrite | Health-based | Resolved |
| January 1, 2023 | Chlorine | Non-health-based | Resolved |
| January 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2023 | Nitrate-Nitrite | Non-health-based | Resolved |
| January 1, 2023 | Arsenic | Non-health-based | Archived |
| October 1, 2022 | Nitrate-Nitrite | Non-health-based | Resolved |
| April 1, 2022 | Chlorine | Non-health-based | Resolved |
| April 1, 2021 | Nitrate-Nitrite | 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 | MCL Violation, Monitoring & Reporting | 11 | Yes |
| Lead and Copper Rule | Monitoring & Reporting | 2 | No |
| Chlorine | Monitoring & Reporting | 2 | No |
| Nitrate-Nitrite | Monitoring & Reporting | 1 | No |
| Chlorine | 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 |
|---|---|---|
| Below the reporting limit | 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.
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 Kremlin-hillsdale Rural Water District 1 (OK2002402) on EPA.gov.
Frequently Asked Questions
Is Kremlin-hillsdale Rural Water District 1 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Kremlin-hillsdale Rural Water District 1; its 17 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Kremlin-hillsdale Rural Water District 1 serve?
Kremlin-hillsdale Rural Water District 1 serves approximately 320 people across 4 ZIP codes in Oklahoma.
Where does Kremlin-hillsdale Rural Water District 1 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Kremlin-hillsdale Rural Water District 1: 17 EPA Violations. https://zipcheckup.com/water-system/ok2002402/
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title = {{Kremlin-hillsdale Rural Water District 1: 17 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2002402/}
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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
Kremlin-hillsdale Rural Water District 1 (EPA ID: OK2002402) - request the latest Consumer Confidence Report or ask about specific contaminants.