McLennan County, Texas
31 ZIP codes · Avg score 84/100 · Grade B · Updated
ZipCheckup grade for McLennan County: B.
This ZIP looks solid, with a few items worth a quick check.
Within McLennan County's 31 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How McLennan County Compares
How McLennan County Compares
McLennan County scores 1 points above the Texas state average (83/100) and 11 points above 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:
ZIP Code Risk Map
Water Quality Map: McLennan County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.6 (asthma 10.4%, diabetes 12.5%)
Estimated additional annual cost per homeowner: $1,150, driven primarily by flood
56.5% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across McLennan County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 41 violations. Past 5 years: 85 total (85 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
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: $1,150
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
104,866 housing units in McLennan 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 McLennan County
Remediation costs are relatively manageable for most homeowners in McLennan 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 McLennan County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving McLennan County
8 community water systems serving McLennan County.
- A
- A
- A
- B
- B
- A
Show all 8 water systems
- B
- B
41 total water systems serve McLennan County.
Systems with the most violations in McLennan County
5 water systems with recorded EPA violations.
- B
- B
- B
- B
- B
All ZIP Codes in McLennan County
31 ZIP codes tracked in McLennan County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 76643 | Hewitt | 92 | A | 0 | $252K |
| 2 | 76701 | Waco | 92 | A | 0 | — |
| 3 | 76707 | Waco | 92 | A | 0 | $114K |
| 4 | 76710 | Waco | 92 | A | 0 | $229K |
| 5 | 76711 | Waco | 92 | A | 0 | $113K |
| 6 | 76798 | Waco | 92 | A | 0 | — |
| 7 | 76706 | Waco | 91 | A | 1 | $181K |
| 8 | 76655 | Lorena | 89 | A | 5 | $295K |
| 9 | 76712 | Woodway | 88 | A | 9 | $302K |
| 10 | 76708 | Waco | 83 | B | 24 | $205K |
| 11 | 76638 | Crawford | 82 | B | 7 | $376K |
| 12 | 76704 | Waco | 82 | B | 25 | $113K |
| 13 | 76633 | China Spring | 81 | B | 27 (1 health) | $348K |
| 14 | 76630 | Bruceville | 80 | B | 22 (1 health) | $209K |
| 15 | 76524 | Eddy | 75 | B | 34 (3 health) | $200K |
| 16 | 76640 | Elm Mott | 75 | B | 49 (22 health) | $178K |
| 17 | 76657 | Mc Gregor | 75 | B | 54 (1 health) | $368K |
| 18 | 76664 | Mart | 75 | B | 190 (143 health) | $134K |
| 19 | 76682 | Riesel | 75 | B | 91 (67 health) | $157K |
| 20 | 76705 | Waco | 75 | B | 273 (163 health) | $167K |
| 21 | 76654 | Leroy | — | — | $159K | |
| 22 | 76684 | Ross | — | — | — | |
| 23 | 76691 | West | — | — | 143 (76 health) | $230K |
| 24 | 76702 | Waco | — | — | — | |
| 25 | 76703 | Waco | — | — | — | |
| 26 | 76714 | Waco | — | — | — | |
| 27 | 76715 | Waco | — | — | — | |
| 28 | 76716 | Waco | — | — | — | |
| 29 | 76795 | Waco | — | — | — | |
| 30 | 76797 | Waco | — | — | — | |
| 31 | 76799 | Waco | — | — | — |
Recommended Buyer Guides for McLennan County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Water Filters for PFAS — PFAS detected in 2 ZIP codes
- Best Lead Paint Test Kits — 56.5% 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 McLennan County, Texas
Overview
McLennan County in Texas covers 31 tracked ZIP records with an average Home Safety Score of B (84/100) across 20 scored records.
15 of 21 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 238 health-based violations appear in the available health breakdown.
← Back to Texas Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.