Kremlin-hillsdale Rural Water District 1
EPA ID: OK2002402 · 320 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Kremlin-hillsdale Rural Water District 1 (OK2002402): 8 past health-based violations, since resolved. A total of 17 EPA violations spanning the past five monitoring years sit on Kremlin-hillsdale Rural Water District 1's record - every finding has been officially cleared, and the supplier now holds current compliance status for its service population of approximately 320 people, with no outstanding enforcement of any kind.
Data: EPA SDWIS
Service Area Map
Coverage area for Kremlin-hillsdale Rural Water District 1 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Kremlin-hillsdale Rural Water District 1 serves a community with a median household income of $70,000 and an estimated 26,886 residents across its service area. 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 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.
Infrastructure Risk
Detected Contaminants
How Kremlin-hillsdale Rural Water District 1 compares to EPA limits
What This Means For You
Arsenic at 11 mg/L exceeds the EPA maximum of 0.01 mg/L.
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 2 presence exceeds the EPA maximum of presence.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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 | Arsenic | Health-based | Archived |
| July 1, 2025 | Arsenic | Non-health-based | Resolved |
| October 1, 2024 | Arsenic | Health-based | Archived |
| July 1, 2024 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 1, 2024 | Arsenic | Health-based | Archived |
| January 1, 2024 | Arsenic | Health-based | Resolved |
| October 1, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| October 1, 2023 | Arsenic | Health-based | Resolved |
| July 1, 2023 | Arsenic | Health-based | Resolved |
| April 1, 2023 | Arsenic | Health-based | Resolved |
| January 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 1, 2023 | Arsenic | Non-health-based | Resolved |
| January 1, 2023 | Barium | Non-health-based | Archived |
| October 1, 2022 | Arsenic | Non-health-based | Resolved |
| April 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| April 1, 2021 | Arsenic | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Arsenic | Inorganic | 11 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Barium | Inorganic | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 the full compliance record 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}},
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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.