2026 Rankings

Weld County, Colorado Home Safety Rankings - 18 ZIPs

Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.

Weld County, Colorado (Colorado) includes 18 tracked ZIP codes and 16 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.

Average Home Safety Grade: D (50/100)

Grade ZIP Codes %
A 0 0%
B 0 0%
C 4 44%
D 4 44%
F 1 11%

Top 10 ZIP Codes by Home Safety Score

Rank ZIP City Score Grade
1 80624 Gill 58 C
2 80644 Kersey 58 C
3 80610 Ault 56 C
4 80650 Pierce 56 C
5 80612 Carr 52 D
6 80615 Eaton 49 D
7 80645 La Salle 49 D
8 80621 Fort Lupton 42 D
9 80651 Platteville 34 F

10 Riskiest ZIP Codes

Rank ZIP City Score Grade Risk Factor
1 80651 Platteville 34 F 20 violations
2 80621 Fort Lupton 42 D 60 violations
3 80645 La Salle 49 D 26 violations
4 80615 Eaton 49 D 28 violations
5 80612 Carr 52 D 17 violations
6 80650 Pierce 56 C 8 violations
7 80610 Ault 56 C 8 violations
8 80644 Kersey 58 C 2 violation(s)
9 80624 Gill 58 C 2 violation(s)

Most Common Contaminant Violations

Contaminant Violations ZIPs Affected
Lead and Copper Rule 31 7
Haloacetic Acids (HAA5) 20 7
Surface Water Treatment Rule 20 10
Total Trihalomethanes (TTHM) 19 7
Stage 1 DBP Rule 12 4
E. coli 11 2
Fecal Coliform 9 2
Chlorite 8 3

Lead Risk

  • Average of reported 90th-percentile lead results: 0.0036 mg/L (below EPA action level)
  • 0 of 10 ZIP codes with known status exceed EPA lead action level
  • 19% of housing built before 1950
  • 30% of housing built before 1970

Cities in This Metro

All 18 ZIP Codes Ranked

View complete ranking
Rank ZIP City Score Grade Violations
1 80624 Gill 58 C 2
2 80644 Kersey 58 C 2
3 80610 Ault 56 C 8
4 80650 Pierce 56 C 8
5 80612 Carr 52 D 17
6 80615 Eaton 49 D 28
7 80645 La Salle 49 D 26
8 80621 Fort Lupton 42 D 60
9 80651 Platteville 34 F 20
10 80611 Briggsdale — — —
11 80622 Galeton — — —
12 80623 Gilcrest — — —
13 80648 Nunn — — —
14 80729 Grover — — 1
15 80742 New Raymer — — —
16 80754 Stoneham — — —

Data Sources

  • Water quality: EPA SDWIS
  • Housing: U.S. Census Bureau American Community Survey
  • Flood: FEMA NFIP
  • Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.

Reporting periods vary by source; the page metadata identifies this materialization.

Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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How to cite this page

APA ZipCheckup. (2026). Weld County, Colorado Home Safety Rankings - 18 ZIPs. https://zipcheckup.com/rankings/metro/weld-colorado/
BibTeX
@misc{zipcheckup-rankings-metro-weld-colorado,
  author = {{ZipCheckup}},
  title  = {{Weld County, Colorado Home Safety Rankings - 18 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/weld-colorado/}
}

Page version: October 2026.

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