Radium in Spring, TX Drinking Water
Radium data for Spring, Texas · 424,945 residents · 12 ZIP codes
People in Spring, Texas who get water from the public supply are among residents whose systems have returned Radium detections in EPA compliance testing.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-06-03
Radium in Spring Tap Water
Radium has been detected in Spring, Texas drinking water at a maximum level of 3.5 pCi/L — below the EPA MCL of 5 pCi/L (combined Ra-226 + Ra-228).
This analysis covers 424,945 residents across 12 ZIP codes in Spring.
Spring's overall water quality grade is B (84/100).
Is Radium in Spring Water Safe?
Radium was detected in Spring water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis or ion exchange filter can reduce radium levels further.
Radium Levels by ZIP Code
| ZIP Code | Radium Level | EPA Limit | Status |
|---|---|---|---|
| 77388 | 3.5 pCi/L | 5 pCi/L (combined Ra-226 + Ra-228) | OK |
Average radium level across Spring: 3.5 pCi/L
Health Effects of Radium
- Increased risk of bone cancer (radium accumulates in bones)
- The body treats radium like calcium, storing it in bones
- Lifetime cancer risk of ~1 in 10,000 at 5 pCi/L
- No safe threshold for radioactive contamination
Health risk severity: High. Governed by the Radionuclides Rule.
How Radium Gets Into Drinking Water
- Natural radioactive decay in underground rock formations
- Groundwater sources (especially deep wells)
- Mining and industrial waste
- Higher in regions with specific geology (Midwest, parts of South)
What to Do About Radium in Spring Water
- Reverse osmosis (NSF 58 certified) removes 90%+ of radium
- Ion exchange (water softeners) can reduce radium
- Point-of-use RO at kitchen tap is most cost-effective
- GAC filters alone are NOT effective for radium
Look for filters certified under NSF 58 for radium removal.