Rock County Rural Water System
EPA ID: MN1670007 · 2,919 people served · 8 ZIP codes
ZipCheckup's reading of EPA records for Rock County Rural Water System (MN1670007): no drinking-water violations recorded since 2021. Federal SDWIS data returns no violation records for Rock County Rural Water System, the supplier serving 2,919 residents - a statement about the EPA file rather than a measurement of contaminant levels in the water.
Data: EPA SDWIS
Service Area Map
Coverage area for Rock County Rural Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rock County Rural Water System have a median household income of $61,875 and about 10,919 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 82% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Rock County Rural 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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Minnesota
System Overview
Rock County Rural Water System (EPA ID: MN1670007) is a community water system in Minnesota that serves approximately 2,919 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 |
|---|---|---|
| 0.001 mg/L | No | 2026-06-30 |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
Radon Risk in Service Area
8 of 8 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.
- 56116 - Beaver Creek
- 56129 - Ellsworth
- 56134 - Hardwick
- 56138 - Hills
- 56144 - Jasper
- 56156 - Luverne
- 56158 - Magnolia
- 56173 - Steen
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rock County Rural Water System (MN1670007) on EPA.gov.
Frequently Asked Questions
Is Rock County Rural Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Rock County 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 Rock County Rural Water System serve?
Rock County Rural Water System serves approximately 2,919 people across 8 ZIP codes in Minnesota.
Where does Rock County Rural Water System get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rock County Rural Water System Water Quality Report, MN. https://zipcheckup.com/water-system/mn1670007/
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