COUNTY REPORT ND

Cass County, North Dakota

34 ZIP codes · Avg score 66/100 · Grade C · Updated

ZipCheckup grade for Cass County: C.

A mixed picture - some signals here are worth your attention.

Although much of Cass County meets baseline standards, some of its 34 ZIP codes show violations that merit closer attention.

How Cass County Compares

Cass County66/100
North Dakota avg67/100
National avg73/100

How Cass County Compares

C
County Grade
66/100
Avg Safety Score
34
ZIP Codes
9
Water Systems

Cass County scores 1 points below the North Dakota state average (67/100) and 7 points below 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:

C
County Grade
66
Avg Safety Score
34
ZIP Codes
Best ZIP: 58051 (67/100)
Lowest ZIP: 58047 (61/100)
$277K
Median Home Value
$2,174
Avg Remediation (78% of home value)

ZIP Code Risk Map

Water Quality Map: Cass County, North Dakota

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: 10.4 (asthma 9.8%, diabetes 7.9%)

Estimated additional annual cost per homeowner: $1,175, driven primarily by flood

64.2% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.8% (national: 8.9%)
Diabetes 7.9% (national: 10.5%)
Obesity 33.8% (national: 32.4%)

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

Infrastructure Overview

1974
Median Build Year
64.2%
Pre-1978 Housing
45/100
Infrastructure Stress Indicator
64%
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: $1,175

Flood $1,157/yr
Water / Lead $190/yr
Energy Code Gap $184/yr

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

Housing Age Distribution

86,269 housing units in Cass County

Pre-1940 8%
1940–1959 9%
1960–1979 19%
1980–1999 25%
2000+ 39%

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 Cass County

$277K
Median Home Value
$2,174
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Cass 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 Cass County residents

Asthma 9.8% (US avg: 8.9%)
Diabetes 7.9% (US avg: 11%)
Obesity 33.8% (US avg: 32.4%)

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

Water systems serving Cass County

8 community water systems serving Cass County.

Show all 8 water systems

9 total water systems serve Cass County.

Systems with the most violations in Cass County

4 water systems with recorded EPA violations.

All ZIP Codes in Cass County

34 ZIP codes tracked in Cass County.

# ZIP Code City Safety Score Grade Violations Home Value
1 58051 Kindred 67 C 0 $319K
2 58064 Page 67 C 0 $261K
3 58071 Tower City 67 C 0 $192K
4 58078 West Fargo 67 C 0 $303K
5 58102 Fargo 67 C 0 $236K
6 58103 Fargo 67 C 0 $239K
7 58104 Fargo 67 C 0 $346K
8 58105 Fargo 67 C 0
9 58040 Gwinner 66 C 1 $179K
10 58047 Horace 61 C 9 (1 health) $418K
11 58002 Absaraka
12 58004 Amenia $177K
13 58005 Argusville $366K
14 58006 Arthur $241K
15 58007 Ayr $300K
16 58011 Buffalo $235K
17 58012 Casselton $308K
18 58021 Davenport $242K
19 58029 Erie $417K
20 58036 Gardner $277K
21 58038 Grandin 0 $188K
22 58042 Harwood $334K
23 58048 Hunter $167K
24 58059 Mapleton $293K
25 58079 Wheatland $290K
26 58106 Fargo
27 58107 Fargo
28 58108 Fargo
29 58109 Fargo
30 58121 Fargo
31 58122 Fargo
32 58124 Fargo
33 58125 Fargo
34 58126 Fargo

Recommended Buyer Guides for Cass County

Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.

Overview

Cass County in North Dakota covers 34 tracked ZIP records with an average Home Safety Score of C (66/100) across 10 scored records.

2 of 11 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

← Back to North Dakota 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 Cass County?
Cass County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Cass County?
Cass County is served by 9 public water systems that supply drinking water to residents across 34 ZIP codes.
What is the biggest environmental risk in Cass County?
The primary environmental risk factor in Cass County is flood. This contributes to an estimated additional annual cost of $1,175 per homeowner.
How old are homes in Cass County?
The median home build year in Cass County is 1974. 64.2% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Cass County compare to North Dakota?
Cass County has an average Home Safety Score of 66/100 under model 4.0.0, which is below the North Dakota state average of 67/100.

How to cite this page

APA ZipCheckup. (2026). Cass County, ND: HSS 66/100; 1 Health Violation. https://zipcheckup.com/county/north-dakota/cass/
BibTeX
@misc{zipcheckup-county-north-dakota-cass,
  author = {{ZipCheckup}},
  title  = {{Cass County, ND: HSS 66/100; 1 Health Violation}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/north-dakota/cass/}
}

Page version: August 2026.

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