CITY REPORT TX

Three Rivers, TX: 8 Violations — 85/100 (2026)

1 ZIP code · 5 water systems · Updated 2026-06-03

Public water monitoring in Three Rivers shows a safety record well above the TX median — health-based violations are isolated exceptions rather than recurring patterns, the city's systems have stayed compliant across recent reporting cycles, and no cluster of recurring exceedances appears in any single service area.

How Three Rivers Compares

Three Rivers85/100
Texas avg82/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
A · 85
Avg Safety Score
Zone 3
Radon Risk (Low)
$161K
Median Home Value
$1,700
Est. Remediation (1.1% of home value)

What You Should Know About Three Rivers Water

  • Your city's water systems recorded 8 violations in the past 5 years.
  • Average lead level: 0.0018 mg/L.
  • Homes built before 1986: 61% — older plumbing may contain lead solder.
  • Estimated remediation: $1,700 per household.
  • CDC health risk index: 14.85 — above typical levels.

Who Supplies Your Water in Three Rivers

With 3 utilities splitting service in Three Rivers, TX, water accountability is distributed across 5 systems on the federal record.

Mccoy Water Supply Corporation
Serves ~9,621 people · 8 violations
85
/100
El Oso Water Supply Corporation
Serves ~6,288 people · 8 violations
85
/100
City of Three Rivers
Serves ~4,428 people · 8 violations
85
/100

Overview

We track water quality and home safety data for 1 ZIP code in Three Rivers, Texas (population ~3,478), covering 5 community water systems serving approximately 21,523 people region-wide.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Three Rivers: A (85/100)

The score combines three factors:

Factor What It Measures
Water Quality EPA violations and compliance history
Lead Levels 90th percentile lead concentration vs EPA action level
Radon Risk EPA radon zone classification

Water Sources

Three Rivers water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0018 mg/L (EPA action level: 0.015 mg/L)
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Lead and Copper Rule Treatment Technique 4 1
Fecal Coliform Microbiological 4 1
Stage 1 DBP Rule Treatment Technique 2 1
Surface Water Treatment Rule Treatment Technique 2 1
Consumer Confidence Report Rule Reporting 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
78071 A 8 0 City of Three Rivers

All ZIP Codes in Three Rivers

  • 78071 [A] — 8 violations

Data Sources

Updated daily.

Health Outcomes in Three Rivers

9.6%
Asthma (US: 9.8%)
16.2%
Diabetes (US: 10.4%)
17.8%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.6% ↓
Diabetes 16.2% ↑
Mental Health 17.8% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Three Rivers Water

Lead and Copper Rule 4 violations
Treatment Technique
Developmental delays in children, kidney damage
Fecal Coliform 4 violations
Microbiological
Stage 1 DBP Rule 2 violations
Treatment Technique
Disinfection byproduct exposure risk

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Housing & Infrastructure in Three Rivers

1989
Median Build Year
61%
Built Before 1986
19%
Built Before 1970
Copper
Likely Pipe Material

With 61% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Plumbing risk in older housing is defined by two eras: the pre-1970 period when lead pipes were commonly used for service lines, and the 1970-to-1986 period when lead solder remained standard in copper plumbing until the federal ban. Three Rivers's median build year of 1989 lands in a range where both eras are heavily represented in the housing stock. That creates an elevated aggregate environment for plumbing-related lead exposure — one that city-level water quality averages don't capture, because the risk sits inside individual properties rather than in the distribution system.

1989
Median Year Built
61%
Pre-1986 (Lead Paint Risk)
19%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (19%) 1970–1986 (42%) Post-1986 (39%)

Over half of homes in Three Rivers were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Three Rivers Homeowners

Within the Three Rivers property market, documented remediation claims a moderate slice of typical equity — real but budgetable.

Median Home Value
$160,900
Est. Remediation
$1,700
Remediation as % of home value 1.1%

Remediation costs are moderate relative to home values in Three Rivers. The estimated $1,100–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 30% below the Texas average.

Lead Exposure Risk for Children in Three Rivers

61%
Homes Built Before 1986
0.0018
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 61% of Three Rivers homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Flood & Climate Risk in Three Rivers

The NFIP claim record for Three Rivers — 3 filed incidents — reflects genuine, recurring flood exposure rather than an isolated event or two. When a community accumulates flood claims at this volume and carries 100% of its ZIP codes inside FEMA-designated zones, flood history starts to factor into water quality planning in ways it doesn't for lower-exposure areas. Flooding introduces specific contamination pathways — runoff overwhelming treatment facility intake, surface water infiltrating private wells, and pressure disruptions in distribution systems allowing backflow — all of which become more relevant as flood frequency increases.

3
Total FEMA Flood Claims
$17,084
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones

Three Rivers has a moderate flood history with 3 FEMA claims averaging $17,084 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,700</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

Frequently Asked Questions

Is the water safe to drink in Three Rivers, TX?
Three Rivers has an average water safety score of 85/100 (Grade A). 8 EPA violations have been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does Three Rivers have?
Three Rivers water systems have a total of 8 EPA violations. Violations are tracked across 1 ZIP code.
Does Three Rivers water have lead?
The average 90th-percentile lead level in Three Rivers is 0.0018 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does Three Rivers compare to Texas average?
Three Rivers has an average water safety score of 85/100, which is above the Texas state average of 82/100.
How many water systems serve Three Rivers?
Three Rivers is served by 5 public water systems across 1 ZIP code, serving approximately 3,478 people.
How much does it cost to fix water issues in Three Rivers?
Estimated remediation costs in Three Rivers average $1,700 per household, ranging from $1,100 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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