Tri-county Water District
EPA ID: ND3201072 · 2,501 people served · 12 ZIP codes
ZipCheckup's reading of EPA SDWIS for Tri-county Water District (ND3201072): no EPA violations recorded in the last five years. For the full five-year period covered by EPA monitoring, Tri-county Water District has supplied tap water to 2,501 residents with no violations of any type on record.
Data: EPA SDWIS
Service Area Map
Coverage area for Tri-county Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tri-county Water District serves a community with a median household income of $75,982 and an estimated 7,942 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Tri-county Water District'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
Comparable Water Systems
Similar-sized systems in North Dakota
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 Water District (EPA ID: ND3201072) is a community water system in North Dakota that serves approximately 2,501 people from groundwater sources.
This system provides water to 12 ZIP codes across 12 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00116 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 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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 ND or modeled from parcel and building-footprint data.
- 58210 - Adams
- 58212 - Aneta
- 58214 - Arvilla
- 58228 - Emerado
- 58251 - Larimore
- 58256 - Manvel
- 58258 - Mekinock
- 58259 - Michigan
- 58266 - Niagara
- 58267 - Northwood
- 58344 - Lakota
- 58361 - Pekin
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tri-county Water District (ND3201072) on EPA.gov.
Frequently Asked Questions
Is Tri-county Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Tri-county Water District in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Tri-county Water District serve?
Tri-county Water District serves approximately 2,501 people across 12 ZIP codes in North Dakota.
Where does Tri-county Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Tri-county Water District Water Quality Report, ND. https://zipcheckup.com/water-system/nd3201072/
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