COUNTY REPORT MN

St. Louis County, Minnesota

53 ZIP codes · Avg score 83/100 · Grade B · Updated

ZipCheckup grade for St. Louis County: B.

This ZIP looks solid, with a few items worth a quick check.

Based on current EPA data, St. Louis County's 53 ZIP codes maintain an above-average drinking water safety record.

How St. Louis County Compares

St. Louis County83/100
Minnesota avg68/100
National avg73/100

How St. Louis County Compares

B
County Grade
83/100
Avg Safety Score
53
ZIP Codes
16
Water Systems

St. Louis County scores 15 points above the Minnesota state average (68/100) and 10 points above the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

B
County Grade
83
Avg Safety Score
53
ZIP Codes
Chisholm
Best ZIP: 55719 (83/100)
Hibbing
Lowest ZIP: 55746 (80/100)
$173K
Median Home Value
$1,108
Avg Remediation (64% of home value)

ZIP Code Risk Map

Water Quality Map: St. Louis County, Minnesota

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 12.9 (asthma 10.5%, diabetes 11.2%)

Estimated additional annual cost per homeowner: $1,742, driven primarily by flood

73.1% of homes built before 1978 (lead paint era)

Violation History (2023–2025)

→ Stable trend

EPA violation counts by year across St. Louis County water systems. Health-based shown in red, total in blue.

2023
2 (2 health)
2024
1 (1 health)
2025
4 (4 health)

Peak year: 2025 with 4 violations. Past 5 years: 7 total (7 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 11.2% (national: 10.5%)
Obesity 35.2% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1970
Median Build Year
73.1%
Pre-1978 Housing
44/100
Infrastructure Stress Indicator
75%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,742

Flood $560/yr
Energy Code Gap $500/yr
Sea Level Rise $384/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

104,131 housing units in St. Louis County

Pre-1940 29%
1940–1959 20%
1960–1979 22%
1980–1999 15%
2000+ 14%

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 St. Louis County

$173K
Median Home Value
$1,108
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in St. Louis 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 St. Louis County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 11.2% (US avg: 11%)
Obesity 35.2% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving St. Louis County

8 community water systems serving St. Louis County.

Show all 8 water systems
  • Ely
    Serves ~3,258 people 7 violations
    B
  • Proctor
    Serves ~3,099 people 3 violations
    B

16 total water systems serve St. Louis County.

Systems with the most violations in St. Louis County

5 water systems with recorded EPA violations.

  • Ely
    Serves ~3,258 people 7 violations
    B
  • Hibbing
    Serves ~16,028 people 6 violations
    B
  • Eveleth
    Serves ~3,770 people 6 violations
    B
  • Proctor
    Serves ~3,099 people 3 violations
    B
  • Mountain Iron
    Serves ~2,880 people 2 violations
    B

All ZIP Codes in St. Louis County

53 ZIP codes tracked in St. Louis County.

# ZIP Code City Safety Score Grade Violations Home Value
1 55719 Chisholm 83 B 0 $121K
2 55734 Eveleth 83 B 8 (3 health) $144K
3 55792 Virginia 83 B 2 $128K
4 55802 Duluth 83 B 0 $480K
5 55804 Duluth 83 B 0 $287K
6 55805 Duluth 83 B 0 $171K
7 55806 Duluth 83 B 0 $157K
8 55807 Duluth 83 B 0 $164K
9 55810 Duluth 83 B 3 $224K
10 55811 Duluth 83 B 3 $299K
11 55812 Duluth 83 B 0 $302K
12 55731 Ely 81 B 7 (3 health) $203K
13 55746 Hibbing 80 B 6 $128K
14 55602 Brimson — — $223K
15 55702 Alborn — — $251K
16 55703 Angora — — $173K
17 55705 Aurora — — 2 $125K
18 55706 Babbitt — — $108K
19 55708 Biwabik — — 0 $108K
20 55710 Britt — — $224K
21 55711 Brookston — — $192K
22 55713 Buhl — — $118K
23 55717 Canyon — — $289K
24 55723 Cook — — $177K
25 55724 Cotton — — $207K
26 55725 Crane Lake — — $358K
27 55732 Embarrass — — 0 $174K
28 55736 Floodwood — — $162K
29 55738 Forbes — — $145K
30 55741 Gilbert — — 0 $152K
31 55747 Hibbing — — —
32 55750 Hoyt Lakes — — 0 $91K
33 55751 Iron — — 8 (3 health) $183K
34 55758 Kinney — — $109K
35 55763 Makinen — — $167K
36 55765 Meadowlands — — $186K
37 55766 Melrude — — —
38 55768 Mountain Iron — — 2 $190K
39 55771 Orr — — $168K
40 55772 Nett Lake — — —
41 55777 Virginia — — —
42 55779 Saginaw — — $265K
43 55781 Side Lake — — $366K
44 55782 Soudan — — $99K
45 55790 Tower — — $298K
46 55791 Twig — — —
47 55796 Winton — — $95K
48 55801 Duluth — — —
49 55803 Duluth — — 0 $300K
50 55808 Duluth — — 0 $158K
51 55814 Duluth — — —
52 55815 Duluth — — —
53 55816 Duluth — — —

Recommended Buyer Guides for St. Louis County

If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations - federal data drives the order, not retailer arrangements.

Deep Dive Reports

Detailed analysis for St. Louis County, Minnesota

Overview

St. Louis County in Minnesota covers 53 tracked ZIP records with an average Home Safety Score of B (83/100) across 13 scored records.

9 of 22 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.

← Back to Minnesota Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in St. Louis County?
St. Louis County receives a grade of B, indicating generally safe tap water across its 53 ZIP codes.
How many water systems serve St. Louis County?
St. Louis County is served by 16 public water systems that supply drinking water to residents across 53 ZIP codes.
What is the biggest environmental risk in St. Louis County?
The primary environmental risk factor in St. Louis County is flood. This contributes to an estimated additional annual cost of $1,742 per homeowner.
How old are homes in St. Louis County?
The median home build year in St. Louis County is 1970. 73.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does St. Louis County compare to Minnesota?
St. Louis County has an average Home Safety Score of 83/100 under model 4.0.0, which is above the Minnesota state average of 68/100.

How to cite this page

APA ZipCheckup. (2026). St. Louis County, MN: HSS 83/100; Lead Above EPA Limits. https://zipcheckup.com/county/minnesota/st-louis/
BibTeX 
@misc{zipcheckup-county-minnesota-st-louis,
  author = {{ZipCheckup}},
  title  = {{St. Louis County, MN: HSS 83/100; Lead Above EPA Limits}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/minnesota/st-louis/}
}

Page version: August 2026.

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