Logan County, Colorado
9 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03
Current EPA records place Logan County in the middle tier for drinking water safety, with 9 ZIP codes showing a range of outcomes.
How Logan County Compares
How Logan County Compares
Logan County scores 4 points below the Colorado state average (60/100) and 12 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Logan County, Colorado
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13 (asthma 11.4%, diabetes 11.2%)
Estimated additional annual cost per homeowner: $1,126, driven primarily by energy_code_gap
Infrastructure: 0.451% avg pipe failure probability, 67% of ZIPs at high risk
75.1% of homes built before 1978 (lead paint era)
Violation History (2021–2022)
→ Stable trendEPA violation counts by year across Logan County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 8 violations. Past 5 years: 13 total (13 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,126
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,885 housing units in Logan 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 Logan County
Remediation costs are relatively manageable for most homeowners in Logan 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 Logan 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 Logan County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | PEETZ TOWN OF | 295 | 17 |
| 2 | Fleming Town of | 446 | 12 |
| 3 | STERLING CITY OF | 15,100 | 9 |
| 4 | Sage Pointe Hoa | 194 | 9 |
| 5 | Sunnyslope Homeowners | 29 | 9 |
8 total water systems serve Logan County.
All ZIP Codes in Logan County
9 ZIP codes tracked in Logan County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 80726 | Crook | 69 | C | 3 | $229K |
| 2 | 80728 | Fleming | 65 | C | 12 (1 health) | $179K |
| 3 | 80736 | Iliff | 65 | C | 3 | $187K |
| 4 | 80751 | Sterling | 56 | C | 9 | $232K |
| 5 | 80649 | Orchard | 53 | D | 0 | $542K |
| 6 | 80722 | Atwood | 53 | D | 0 | $235K |
| 7 | 80741 | Merino | 53 | D | 0 | $305K |
| 8 | 80747 | Peetz | 51 | D | 17 (6 health) | $210K |
| 9 | 80745 | Padroni | 40 | D | 0 | $194K |
Recommended Buyer Guides for Logan County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 75.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Logan County, Colorado
Overview
Logan County in Colorado covers 9 ZIP codes with an average Home Safety Score of C (56/100).
5 of 9 ZIP codes have recorded EPA violations. 7 health-based violations have been documented.
← Back to Colorado 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.