Hennepin County, Minnesota
107 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-04
The systems supplying Hennepin County's 107 ZIP codes vary in performance — most meet minimum standards, but violations in select areas are on record.
How Hennepin County Compares
How Hennepin County Compares
Hennepin County scores 2 points above the Minnesota state average (62/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Hennepin County, Minnesota
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.3 (asthma 9.6%, diabetes 8.1%)
Estimated additional annual cost per homeowner: $965, driven primarily by flood
Infrastructure: 0.366% avg pipe failure probability, 41% of ZIPs at high risk
65.2% 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: $965
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
573,452 housing units in Hennepin 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 Hennepin County
Remediation costs are relatively manageable for most homeowners in Hennepin 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 Hennepin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Hennepin County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Minneapolis | 425,300 | 64 |
| 2 | Saint Anthony Village | 9,500 | 64 |
| 3 | Garrison Bay Resort | 90 | 64 |
| 4 | Ham Lake Apartments | 89 | 64 |
| 5 | Chosen Valley Mobile Home Park | 73 | 64 |
34 total water systems serve Hennepin County.
All ZIP Codes in Hennepin County
107 ZIP codes tracked in Hennepin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 55311 | Osseo | 70 | B | 0 | $466K |
| 2 | 55327 | Dayton | 70 | B | 0 | $487K |
| 3 | 55344 | Eden Prairie | 70 | B | 0 | $352K |
| 4 | 55345 | Minnetonka | 70 | B | 0 | $479K |
| 5 | 55346 | Eden Prairie | 70 | B | 0 | $464K |
| 6 | 55347 | Eden Prairie | 70 | B | 0 | $493K |
| 7 | 55359 | Maple Plain | 70 | B | 0 | $574K |
| 8 | 55369 | Osseo | 70 | B | 0 | $357K |
| 9 | 55374 | Rogers | 70 | B | 0 | $438K |
| 10 | 56225 | Clinton | 70 | B | 0 | $107K |
| 11 | 55401 | Minneapolis | 68 | C | 1 | $402K |
| 12 | 55403 | Minneapolis | 68 | C | 1 | $285K |
| 13 | 55404 | Minneapolis | 68 | C | 1 | $294K |
| 14 | 55405 | Minneapolis | 68 | C | 1 | $450K |
| 15 | 55406 | Minneapolis | 68 | C | 1 | $336K |
| 16 | 55408 | Minneapolis | 68 | C | 1 | $388K |
| 17 | 55409 | Minneapolis | 68 | C | 1 | $366K |
| 18 | 55411 | Minneapolis | 68 | C | 1 | $234K |
| 19 | 55412 | Minneapolis | 68 | C | 1 | $226K |
| 20 | 55413 | Minneapolis | 68 | C | 1 | $354K |
| 21 | 55414 | Minneapolis | 68 | C | 1 | $454K |
| 22 | 55418 | Minneapolis | 68 | C | 1 | $333K |
| 23 | 55420 | Minneapolis | 68 | C | 1 | $307K |
| 24 | 55421 | Minneapolis | 68 | C | 1 | $261K |
| 25 | 55429 | Minneapolis | 68 | C | 1 | $268K |
| 26 | 55430 | Minneapolis | 68 | C | 1 | $244K |
| 27 | 55431 | Minneapolis | 68 | C | 1 | $354K |
| 28 | 55438 | Minneapolis | 68 | C | 1 | $406K |
| 29 | 55439 | Minneapolis | 68 | C | 1 | $640K |
| 30 | 55442 | Minneapolis | 68 | C | 1 | $439K |
| 31 | 55443 | Minneapolis | 68 | C | 1 | $346K |
| 32 | 55444 | Minneapolis | 68 | C | 1 | $307K |
| 33 | 55445 | Minneapolis | 68 | C | 1 | $311K |
| 34 | 55446 | Minneapolis | 68 | C | 1 | $559K |
| 35 | 55447 | Minneapolis | 68 | C | 1 | $455K |
| 36 | 55487 | Minneapolis | 68 | C | 1 | — |
| 37 | 55348 | Maple Plain | 66 | C | 0 | — |
| 38 | 55361 | Minnetonka Beach | 66 | C | 0 | — |
| 39 | 55393 | Maple Plain | 66 | C | 0 | — |
| 40 | 55569 | Osseo | 66 | C | 0 | — |
| 41 | 55570 | Maple Plain | 66 | C | 0 | — |
| 42 | 55571 | Maple Plain | 66 | C | 0 | — |
| 43 | 55574 | Maple Plain | 66 | C | 0 | — |
| 44 | 55576 | Maple Plain | 66 | C | 0 | — |
| 45 | 55578 | Maple Plain | 66 | C | 0 | — |
| 46 | 55579 | Maple Plain | 66 | C | 0 | — |
| 47 | 55593 | Maple Plain | 66 | C | 0 | — |
| 48 | 55305 | Hopkins | 65 | C | 0 | $442K |
| 49 | 55316 | Champlin | 65 | C | 0 | $338K |
| 50 | 55331 | Excelsior | 65 | C | 0 | $707K |
| 51 | 55343 | Hopkins | 65 | C | 0 | $351K |
| 52 | 55364 | Mound | 65 | C | 0 | $411K |
| 53 | 55391 | Wayzata | 65 | C | 0 | $796K |
| 54 | 55415 | Minneapolis | 64 | C | 1 | $582K |
| 55 | 55425 | Minneapolis | 64 | C | 1 | $313K |
| 56 | 55440 | Minneapolis | 64 | C | 1 | — |
| 57 | 55450 | Minneapolis | 64 | C | 1 | — |
| 58 | 55454 | Minneapolis | 64 | C | 1 | $185K |
| 59 | 55455 | Minneapolis | 64 | C | 1 | — |
| 60 | 55458 | Minneapolis | 64 | C | 1 | — |
| 61 | 55459 | Minneapolis | 64 | C | 1 | — |
| 62 | 55460 | Minneapolis | 64 | C | 1 | — |
| 63 | 55467 | Minneapolis | 64 | C | 1 | — |
| 64 | 55470 | Minneapolis | 64 | C | 1 | — |
| 65 | 55472 | Minneapolis | 64 | C | 1 | — |
| 66 | 55473 | Minneapolis | 64 | C | 1 | — |
| 67 | 55474 | Minneapolis | 64 | C | 1 | — |
| 68 | 55478 | Minneapolis | 64 | C | 1 | — |
| 69 | 55479 | Minneapolis | 64 | C | 1 | — |
| 70 | 55480 | Minneapolis | 64 | C | 1 | — |
| 71 | 55483 | Minneapolis | 64 | C | 1 | — |
| 72 | 55484 | Minneapolis | 64 | C | 1 | — |
| 73 | 55485 | Minneapolis | 64 | C | 1 | — |
| 74 | 55486 | Minneapolis | 64 | C | 1 | — |
| 75 | 55488 | Minneapolis | 64 | C | 1 | — |
| 76 | 55402 | Minneapolis | 63 | C | 1 | — |
| 77 | 55407 | Minneapolis | 63 | C | 1 | $317K |
| 78 | 55410 | Minneapolis | 63 | C | 1 | $597K |
| 79 | 55416 | Minneapolis | 63 | C | 1 | $457K |
| 80 | 55417 | Minneapolis | 63 | C | 1 | $368K |
| 81 | 55419 | Minneapolis | 63 | C | 1 | $479K |
| 82 | 55422 | Minneapolis | 63 | C | 1 | $314K |
| 83 | 55423 | Minneapolis | 63 | C | 1 | $320K |
| 84 | 55424 | Minneapolis | 63 | C | 1 | $960K |
| 85 | 55426 | Minneapolis | 63 | C | 1 | $345K |
| 86 | 55427 | Minneapolis | 63 | C | 1 | $342K |
| 87 | 55428 | Minneapolis | 63 | C | 1 | $278K |
| 88 | 55435 | Minneapolis | 63 | C | 1 | $341K |
| 89 | 55436 | Minneapolis | 63 | C | 1 | $596K |
| 90 | 55437 | Minneapolis | 63 | C | 1 | $363K |
| 91 | 55441 | Minneapolis | 63 | C | 1 | $463K |
| 92 | 55356 | Long Lake | 62 | C | 0 | $713K |
| 93 | 55384 | Spring Park | 56 | C | 0 | $598K |
| 94 | 55340 | Hamel | 55 | C | 0 | $608K |
| 95 | 55357 | Loretto | 55 | C | 0 | $491K |
| 96 | 55595 | Loretto | 55 | C | 0 | — |
| 97 | 55596 | Loretto | 55 | C | 0 | — |
| 98 | 55597 | Loretto | 55 | C | 0 | — |
| 99 | 55598 | Loretto | 55 | C | 0 | — |
| 100 | 55599 | Loretto | 55 | C | 0 | — |
| 101 | 55373 | Rockford | 53 | D | 0 | $285K |
| 102 | 55323 | Crystal Bay | 47 | D | 4 | — |
| 103 | 55341 | Hanover | 40 | D | 0 | $422K |
| 104 | 55392 | Navarre | 40 | D | 0 | — |
| 105 | 55572 | Rockford | 40 | D | 0 | — |
| 106 | 55573 | Young America | 40 | D | 0 | — |
| 107 | 55577 | Rockford | 40 | D | 0 | — |
Recommended Buyer Guides for Hennepin County
Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Lead Paint Test Kits — 65.2% of homes built before 1978
- 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 Hennepin County, Minnesota
Overview
Hennepin County in Minnesota covers 107 ZIP codes with an average Home Safety Score of C (64/100).
65 of 107 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.