Sulphur Bluff, TX Water Safety: 73/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Public water monitoring in Sulphur Bluff 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 Sulphur Bluff Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Sulphur Bluff Water
- Homes built before 1986: 50% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 13.62 — above typical levels.
Who Supplies Your Water in Sulphur Bluff
Residential water in Sulphur Bluff, TX is supplied by 3 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 3 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 1 ZIP code in Sulphur Bluff, Texas (population ~417), covering 3 community water systems serving approximately 22,701 people region-wide.
No EPA violations recorded across any ZIP codes in Sulphur Bluff — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Sulphur Bluff: B (73/100)
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
Sulphur Bluff water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Sulphur Bluff
- 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 |
|---|---|---|---|
| 75481 | B | Cypress Springs Special Utility District N Plant 1 and Ne Pla | 13,698 |
All ZIP Codes in Sulphur Bluff
- 75481 [B]
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.
Health Outcomes in Sulphur Bluff
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
Housing & Infrastructure in Sulphur Bluff
With 50% 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
Decades of residential development in Sulphur Bluff took place before the two main regulatory milestones that reduced plumbing-era lead risk: the phase-out of lead pipes before 1970, and the federal ban on lead solder in 1986. With a median build year of 1984, the housing stock here is anchored in that earlier period. The distinction between pre-1970 and 1970-to-1986 construction matters: the oldest homes may have lead pipes in the service line and lead solder in the copper joints, while the 1970-to-1986 tier still carries the solder risk even after lead pipes became less common. Together, these two risk layers affect a majority of the residential properties in the city — a fact the aggregate water quality data doesn't directly reveal.
Over half of homes in Sulphur Bluff 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.
Lead Exposure Risk for Children in Sulphur Bluff
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.
Locally, 50% of Sulphur Bluff homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Sulphur Bluff
A low NFIP claim count in Sulphur Bluff suggests that flood events — when they occur — have been limited in extent. That pattern matters for water quality in a specific way: the mechanisms through which flooding degrades drinking water (treatment plants taking in heavily contaminated floodwater, septic and well systems backing up, distribution pipes experiencing pressure inversions) are all stress-threshold events. They become relevant when floods are frequent enough or severe enough to overwhelm normal infrastructure. At the volume this area shows, that threshold has rarely been approached.
Sulphur Bluff has a relatively low flood history with 1 FEMA claims on record. While risk is limited, severe weather events can still impact water infrastructure.
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>$1,800</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Sulphur Bluff, TX