Tri-county Rwd #2
EPA ID: OK2006362 · 5,172 people served · 8 ZIP codes
ZipCheckup's reading of EPA SDWIS for Tri-county Rwd #2 (OK2006362): 1 past health-based violation, since resolved. Beyond the 8 historical violations on Tri-county Rwd #2's EPA record, nothing remains open - the utility is currently compliant and supplies water to 5,172 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Tri-county Rwd #2 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tri-county Rwd #2 serves a community with a median household income of $55,027 and an estimated 80,614 residents across its service area. Approximately 60% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Tri-county Rwd #2'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 Tri-county Rwd #2 compares to EPA limits
What This Means For You
Arsenic at 2 mg/L exceeds the EPA maximum of 0.01 mg/L.
Selenium at 2 mg/L exceeds the EPA maximum of 0.05 mg/L. Hair & nail loss, nerve damage, liver & kidney damage. Consider reverse osmosis filtration.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
Selenium was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Tri-county Rwd #2 (EPA ID: OK2006362) is a community water system in Oklahoma that serves approximately 5,172 people from groundwater sources.
This system provides water to 8 ZIP codes across 7 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 resolved, 2 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 |
|---|---|---|---|
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| April 1, 2024 | Arsenic | Non-health-based | Resolved |
| January 1, 2023 | Selenium | Non-health-based | Archived |
| January 1, 2023 | Selenium | Non-health-based | Archived |
| October 1, 2021 | Arsenic | Non-health-based | Resolved |
| September 1, 2021 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2021 | Revised Total Coliform 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 |
|---|---|---|---|
| Selenium | Inorganic | 2 | No |
| Arsenic | Inorganic | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00397 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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.
- 74801 - Shawnee
- 74804 - Shawnee
- 74840 - Earlsboro
- 74854 - Maud
- 74855 - Meeker
- 74864 - Prague
- 74868 - Seminole
- 74873 - Tecumseh
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tri-county Rwd #2 (OK2006362) on EPA.gov.
Frequently Asked Questions
Is Tri-county Rwd #2 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Tri-county Rwd #2; its 8 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Tri-county Rwd #2 serve?
Tri-county Rwd #2 serves approximately 5,172 people across 8 ZIP codes in Oklahoma.
Where does Tri-county Rwd #2 get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Above Current MCL
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Tri-county Rwd #2 (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok2006362/
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author = {{ZipCheckup}},
title = {{Tri-county Rwd #2 (OK): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2006362/}
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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
Tri-county Rwd #2 (EPA ID: OK2006362) - request the latest Consumer Confidence Report or ask about specific contaminants.