Bastrop County, Texas
8 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Throughout Bastrop County, the 8 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Bastrop County Compares
How Bastrop County Compares
Bastrop County scores 4 points below the Texas state average (82/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Bastrop County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.3 (asthma 9.5%, diabetes 13.5%)
Estimated additional annual cost per homeowner: $1,510, driven primarily by flood
Infrastructure: 0.284% avg pipe failure probability
40.9% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Bastrop County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 6 violations. Past 5 years: 16 total (16 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $1,510
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
32,588 housing units in Bastrop 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 Bastrop County
Remediation costs are relatively manageable for most homeowners in Bastrop 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 Bastrop 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 Bastrop County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Aqua Water Supply Corporation | 86,325 | 27 |
| 2 | Lee County Water Supply Corporation | 14,670 | 19 |
| 3 | City of Bastrop | 13,209 | 16 |
| 4 | Bastrop County Wcid 2 | 7,269 | 16 |
| 5 | J & R Mhp | 46 | 16 |
15 total water systems serve Bastrop County.
All ZIP Codes in Bastrop County
8 ZIP codes tracked in Bastrop County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78662 | Red Rock | 97 | A | 8 (2 health) | $244K |
| 2 | 78621 | Elgin | 90 | A | 1 | $262K |
| 3 | 78957 | Smithville | 83 | B | 2 | $247K |
| 4 | 78650 | Mc Dade | 73 | B | 0 | $247K |
| 5 | 78659 | Paige | 73 | B | 0 | $333K |
| 6 | 78953 | Rosanky | 73 | B | 0 | $267K |
| 7 | 78602 | Bastrop | 71 | B | 16 (8 health) | $310K |
| 8 | 78963 | West Point | 66 | C | 0 | $231K |
Recommended Buyer Guides for Bastrop County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- 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 Bastrop County, Texas
Overview
Bastrop County in Texas covers 8 ZIP codes with an average Home Safety Score of B (78/100).
4 of 8 ZIP codes have recorded EPA violations. 10 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.