North Houston, TX Water Safety: 66/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
North Houston, TX: middle-tier water safety by the latest federal monitoring.
How North Houston Compares
Data: EPA SDWIS Last verified: 2026-06-03
North Houston's Water Providers
Federal records list 1 water system serving North Houston, TX. One provider accounts for the large majority of residential water connections in the area, concentrating infrastructure and compliance accountability.
Overview
We track water quality and home safety data for 1 ZIP code in North Houston, Texas, covering 1 community water system serving approximately 2,970,543 people.
No EPA violations recorded across any ZIP codes in North Houston — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for North Houston: C (66/100)
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
North Houston water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for North Houston
- 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 |
|---|---|---|---|
| 77315 | C | CITY OF HOUSTON | 2,970,543 |
All ZIP Codes in North Houston
- 77315 [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.
North Houston Community Health Snapshot
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
What You Can Do in North Houston
- 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 North Houston, TX