Old Ocean, TX Water Safety: 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
EPA compliance records for Old Ocean tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within TX.
How Old Ocean Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Old Ocean Water
- Estimated remediation: $1,200 per household.
- CDC health risk index: 11.82.
Who Supplies Your Water in Old Ocean
The structure of water supply in Old Ocean, TX is straightforward: one utility provides the bulk of residential service among 1 tracked system, concentrating rate-setting and infrastructure decisions under a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in Old Ocean, Texas, covering 1 community water system serving approximately 3,978 people.
No EPA violations recorded across any ZIP codes in Old Ocean — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Old Ocean: 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
Old Ocean water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Old Ocean
- 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 |
|---|---|---|---|
| 77463 | B | CITY OF SWEENY | 3,978 |
All ZIP Codes in Old Ocean
- 77463 [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 Old Ocean
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
Flood & Climate Risk in Old Ocean
Measured across the NFIP's multi-decade tracking period, Old Ocean shows a moderate flood record — 6 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Old Ocean has a moderate flood history with 6 FEMA claims averaging $5,922 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>$1,200</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.
Deep Dive Reports
Detailed analysis for Old Ocean, TX