City of Oakes
EPA ID: ND1100758 · 1,856 people served · 1 ZIP code
Across every monitored period in the past five years, City of Oakes reported no EPA violations for its service population of 1,856.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for City of Oakes Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The City of Oakes serves a community with a median household income of $66,900 and an estimated 2,739 residents across its service area. Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
City of Oakes'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.
About 0% of homes in Dickey County, North Dakota rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
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
City of Oakes (EPA ID: ND1100758) is a community water system in North Dakota that serves approximately 1,856 people from groundwater sources.
This system serves ZIP code 58474 in Oakes.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 58474 — Oakes
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Oakes (ND1100758) on EPA.gov.
Frequently Asked Questions
Is City of Oakes water safe to drink?
Based on EPA records, City of Oakes has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does City of Oakes serve?
City of Oakes serves approximately 1,856 people across 1 ZIP code in North Dakota.
Where does City of Oakes get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.