Lamar County, Texas
15 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-03
Across all 15 ZIP codes in Lamar County, tap water consistently meets or exceeds federal safety standards.
How Lamar County Compares
How Lamar County Compares
Lamar County scores 7 points below the Texas state average (82/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Lamar County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 10.9%, diabetes 14.2%)
Estimated additional annual cost per homeowner: $795, driven primarily by wildfire
Infrastructure: 0.313% avg pipe failure probability, 8% of ZIPs at high risk
51.7% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
↑ Worsening trendEPA violation counts by year across Lamar County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 7 violations. Past 5 years: 14 total (14 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: $795
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
22,574 housing units in Lamar 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 Lamar County
Remediation costs are relatively manageable for most homeowners in Lamar 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 Lamar 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 Lamar County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | LAMAR COUNTY WATER SUPPLY DISTRICT | 25,530 | 41 |
| 2 | M J C Water Supply Corporation | 999 | 32 |
| 3 | Pattonville Water Supply Corporation | 535 | 22 |
| 4 | City of Blossom | 2,007 | 17 |
| 5 | PETTY WSC | 159 | 7 |
15 total water systems serve Lamar County.
All ZIP Codes in Lamar County
15 ZIP codes tracked in Lamar County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 75461 | Paris | 97 | A | 2 (2 health) | — |
| 2 | 75462 | Paris | 88 | A | 2 (2 health) | $227K |
| 3 | 75435 | Deport | 87 | A | 7 (1 health) | $111K |
| 4 | 75477 | Roxton | 84 | B | 6 (3 health) | $200K |
| 5 | 75460 | Paris | 83 | B | 2 (2 health) | $123K |
| 6 | 75470 | Petty | 77 | B | 7 | — |
| 7 | 75416 | Blossom | 74 | B | 15 (1 health) | $170K |
| 8 | 75450 | Lake Creek | 73 | B | 0 | $216K |
| 9 | 75481 | Sulphur Bluff | 73 | B | 0 | — |
| 10 | 75411 | Arthur City | 66 | C | 0 | — |
| 11 | 75421 | Brookston | 66 | C | 0 | $152K |
| 12 | 75425 | Chicota | 66 | C | 0 | — |
| 13 | 75434 | Cunningham | 66 | C | 0 | — |
| 14 | 75473 | Powderly | 66 | C | 0 | $219K |
| 15 | 75486 | Sumner | 66 | C | 0 | $203K |
Recommended Buyer Guides for Lamar County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Lead Paint Test Kits — 51.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Lamar County, Texas
Overview
Lamar County in Texas covers 15 ZIP codes with an average Home Safety Score of B (75/100).
7 of 15 ZIP codes have recorded EPA violations. 11 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.