Randall County, Texas
11 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-06-03
Randall County's tap water quality puts it in the upper tier nationally; the 11 ZIP codes here record few health-based violations.
How Randall County Compares
How Randall County Compares
Randall County scores 9 points below the Texas state average (82/100) and 5 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Randall County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 9.8%, diabetes 11.3%)
Estimated additional annual cost per homeowner: $1,093, driven primarily by flood
Infrastructure: 0.378% avg pipe failure probability, 27% of ZIPs at high risk
58.6% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Randall County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 30 violations. Past 5 years: 40 total (40 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: $1,093
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
40,292 housing units in Randall 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 Randall County
Remediation costs are relatively manageable for most homeowners in Randall 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 Randall 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 Randall County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Amarillo Municipal Water System | 201,291 | 336 |
| 2 | Lake Tanglewood Water System | 1,300 | 336 |
| 3 | Amberwood Water System | 300 | 336 |
| 4 | Rockwell Acres Water System | 250 | 336 |
| 5 | Palo Duro Club Water System | 200 | 336 |
10 total water systems serve Randall County.
All ZIP Codes in Randall County
11 ZIP codes tracked in Randall County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 79016 | Canyon | 78 | B | 10 (1 health) | — |
| 2 | 79105 | Amarillo | 78 | B | 48 (2 health) | — |
| 3 | 79119 | Amarillo | 78 | B | 48 (2 health) | $336K |
| 4 | 79120 | Amarillo | 78 | B | 48 (2 health) | — |
| 5 | 79121 | Amarillo | 78 | B | 48 (2 health) | $254K |
| 6 | 79189 | Amarillo | 78 | B | 48 (2 health) | — |
| 7 | 79110 | Amarillo | 73 | B | 48 (2 health) | $153K |
| 8 | 79118 | Amarillo | 73 | B | 48 (2 health) | $224K |
| 9 | 79015 | Canyon | 69 | C | 10 (1 health) | $268K |
| 10 | 79091 | Umbarger | 62 | C | 13 (5 health) | — |
| 11 | 79025 | Dawn | 53 | D | 0 | — |
Recommended Buyer Guides for Randall 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 — 58.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Randall County, Texas
Overview
Randall County in Texas covers 11 ZIP codes with an average Home Safety Score of B (73/100).
10 of 11 ZIP codes have recorded EPA violations. 21 health-based violations have been documented.
← Back to Texas 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.