Sullivan City, TX Water Safety: 65/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Recent monitoring in Sullivan City shows middle-tier safety for TX — some systems are clean; others have logged EPA violations.
How Sullivan City Compares
Data: EPA SDWIS Last verified: 2026-06-03
Sullivan City Water: The Quick Version
- Homes built before 1986: 16% — older plumbing may contain lead solder.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 13.24 — above typical levels.
Water Systems Serving Sullivan City
Multiple utilities divide Sullivan City, TX's water service — 3 leading providers among 3 on the federal register.
Overview
We track water quality and home safety data for 1 ZIP code in Sullivan City, Texas (population ~5,958), covering 3 community water systems serving approximately 123,732 people region-wide.
No EPA violations recorded across any ZIP codes in Sullivan City — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Sullivan City: C (65/100)
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
Sullivan City water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Sullivan City
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 78595 | C | Sharyland Water Supply Corporation | 68,562 |
All ZIP Codes in Sullivan City
- 78595 [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Sullivan City
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Sullivan City's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Post-1986 construction is where the lower lead-solder risk lives, because that's when the federal ban on lead solder in plumbing took effect. In Sullivan City, where the median build year is 1991, the housing stock falls broadly on the newer side of that threshold — a distribution that moderates aggregate plumbing-era risk compared to older housing markets.
Most homes in Sullivan City were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Sullivan City: Remediation Cost in Perspective
In Sullivan City, the remediation-to-property-value ratio is elevated enough that homeowners who identify documented issues early have an advantage — understanding the scope, sequencing by urgency, and phasing the work against household budget capacity are the practical levers that determine whether remediation feels manageable or overwhelming at this equity tier.
At 2.7% of home value, remediation costs in Sullivan City represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,500–$3,300. Home values here are 62% below the Texas average.
Protecting Children from Lead in Sullivan City
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.
16% of housing in Sullivan City predates the federal action against lead solder — a contained share — and aggregate readings stay beneath the regulatory benchmark. Lead therefore sits in a quiet position on the local water-quality picture, with single-home draws as the standard tool for confirming any one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Sullivan City
17 FEMA flood insurance claims are on file for Sullivan City, and 100% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.
Sullivan City has a moderate flood history with 17 FEMA claims averaging $35,680 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>$2,300</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.
What You Can Do in Sullivan City
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Sullivan City, TX