Missouri West Water System
EPA ID: ND3001431 · 4,303 people served · 8 ZIP codes
ZipCheckup's reading of EPA SDWIS for Missouri West Water System (ND3001431): no EPA violations recorded in the last five years. Over five tracked years, Missouri West Water System has stayed completely violation-free for its 4,303 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Missouri West Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Missouri West Water System serves a community with a median household income of $76,250 and an estimated 34,400 residents across its service area. Approximately 75% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Missouri West Water System's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
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
Missouri West Water System (EPA ID: ND3001431) is a community water system in North Dakota that serves approximately 4,303 people from surface water sources.
This system provides water to 8 ZIP codes across 8 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 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.
- 58520 - Almont
- 58535 - Flasher
- 58554 - Mandan
- 58563 - New Salem
- 58566 - Saint Anthony
- 58570 - Solen
- 58631 - Glen Ullin
- 58638 - Hebron
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Missouri West Water System (ND3001431) on EPA.gov.
Frequently Asked Questions
Is Missouri West Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Missouri West Water System 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 Missouri West Water System serve?
Missouri West Water System serves approximately 4,303 people across 8 ZIP codes in North Dakota.
Where does Missouri West Water System get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
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.). Missouri West Water System Water Quality Report, ND. https://zipcheckup.com/water-system/nd3001431/
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