Sherburne County, Minnesota
6 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for Sherburne: C.
A mixed picture - some signals here are worth your attention.
Recent monitoring in Sherburne County's 6 ZIP codes shows middle-tier safety - some systems are clean; others have logged EPA violations.
How Sherburne County Compares
How Sherburne County Compares
Sherburne County scores 1 points above the Minnesota state average (62/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Sherburne County, Minnesota
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.7 (asthma 9.8%, diabetes 9%)
Estimated additional annual cost per homeowner: $1,197, driven primarily by flood
Infrastructure: 0.273% avg pipe failure probability
32.2% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,197
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
35,632 housing units in Sherburne County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Sherburne County
Remediation costs are relatively manageable for most homeowners in Sherburne County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Sherburne County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Sherburne County
7 community water systems serving Sherburne County.
- C
- C
- C
- B
- D
- C
Show all 7 water systems
- C
Systems with the most violations in Sherburne County
2 water systems with recorded EPA violations.
- C
- D
All ZIP Codes in Sherburne County
6 ZIP codes tracked in Sherburne County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 55309 | Big Lake | 70 | B | 0 | $336K |
| 2 | 55398 | Zimmerman | 70 | B | 0 | $325K |
| 3 | 55308 | Becker | 68 | C | 1 | $304K |
| 4 | 55330 | Elk River | 65 | C | 0 | $355K |
| 5 | 55319 | Clear Lake | 63 | C | 2 | $349K |
| 6 | 55377 | Santiago | 40 | D | 0 | — |
Recommended Buyer Guides for Sherburne County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Sherburne County, Minnesota
Overview
Sherburne County in Minnesota covers 6 ZIP codes with an average Home Safety Score of C (63/100).
2 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Minnesota water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.