Red Rock Rural Water System
EPA ID: MN1170009 · 5,840 people served · 27 ZIP codes
ZipCheckup's reading of EPA records for Red Rock Rural Water System (MN1170009): no drinking-water violations recorded since 2021. EPA data: Red Rock Rural Water System - zero violation entries, 5,840 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Red Rock Rural Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Red Rock Rural Water System have a median household income of $69,224 and about 48,323 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 83% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Red Rock Rural Water System's water is classified in EPA records as a groundwater source. 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
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in Minnesota
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
Red Rock Rural Water System (EPA ID: MN1170009) is a community water system in Minnesota that serves approximately 5,840 people from groundwater sources.
This system provides water to 27 ZIP codes across 27 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.002 mg/L | No | 2024-12-31 |
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
27 of 27 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 MN or modeled from parcel and building-footprint data.
- 56019 - Comfrey
- 56062 - Madelia
- 56081 - Saint James
- 56083 - Sanborn
- 56088 - Truman
- 56101 - Windom
- 56111 - Alpha
- 56114 - Avoca
- 56115 - Balaton
- 56118 - Bingham Lake
- 56120 - Butterfield
- 56123 - Currie
- 56131 - Fulda
- 56132 - Garvin
- 56137 - Heron Lake
- 56143 - Jackson
- 56145 - Jeffers
- 56150 - Lakefield
- 56152 - Lamberton
- 56159 - Mountain Lake
- 56166 - Revere
- 56172 - Slayton
- 56174 - Storden
- 56175 - Tracy
- 56176 - Trimont
- 56180 - Walnut Grove
- 56183 - Westbrook
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Red Rock Rural Water System (MN1170009) on EPA.gov.
Frequently Asked Questions
Is Red Rock Rural Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Red Rock Rural 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 Red Rock Rural Water System serve?
Red Rock Rural Water System serves approximately 5,840 people across 27 ZIP codes in Minnesota.
Where does Red Rock Rural Water System get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: No PFAS Reported Above Reporting Levels
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were reported above UCMR5 minimum reporting levels.
EPA's April 2024 PFAS rule sets MCLs of 4 ppt for PFOA and PFOS and 10 ppt for PFHxS, PFNA and HFPO-DA (GenX); water systems must comply from 2029. Other PFAS compounds have no individual federal MCL. A state standard is shown only where this system's state has its own enforceable PFAS limit. Detection results are EPA UCMR5 samples, not a measurement at your tap.
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.). Red Rock Rural Water System Water Quality Report, MN. https://zipcheckup.com/water-system/mn1170009/
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