Fluoride in Rains, SC Drinking Water
Fluoride data for Rains, South Carolina · 17,120 residents · 1 ZIP code
Federal water monitoring extends to thousands of public water systems, and in Rains, South Carolina, that tracking has turned up Fluoride — the detection is logged in the EPA compliance record and reflects samples collected under routine Safe Drinking Water Act reporting requirements.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Fluoride in Rains Tap Water
Fluoride has been detected in Rains, South Carolina drinking water at a maximum level of 3 ppb — below the EPA MCL of 4.0 mg/L (MCL) / 2.0 mg/L (SMCL).
This analysis covers 17,120 residents across 1 ZIP code in Rains.
Rains's overall water quality grade is C (66/100).
Is Fluoride in Rains Water Safe?
Fluoride was detected in Rains 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 activated alumina filter can reduce fluoride levels further.
Fluoride Levels by ZIP Code
| ZIP Code | Fluoride Level | EPA Limit | Status |
|---|---|---|---|
| 29589 | 3 ppm | 4.0 mg/L (MCL) / 2.0 mg/L (SMCL) | OK |
Average fluoride level across Rains: 3 ppb
Health Effects of Fluoride
- Skeletal fluorosis at levels above 4 mg/L (bone pain, joint stiffness)
- Dental fluorosis in children at levels above 2 mg/L
- At 0.7 mg/L (water fluoridation level), helps prevent tooth decay
- Possible thyroid effects at high chronic exposure
Health risk severity: Moderate. Governed by the National Primary Drinking Water Regulations.
How Fluoride Gets Into Drinking Water
- Intentional water fluoridation (0.7 mg/L target, beneficial)
- Natural deposits in certain rock formations
- Industrial discharge (aluminum, fertilizer production)
- Naturally elevated in some groundwater (especially arid regions)
What to Do About Fluoride in Rains Water
- Reverse osmosis removes 90%+ of fluoride
- Activated alumina filters are effective for fluoride
- Bone char carbon can reduce fluoride
- Standard activated carbon filters do NOT remove fluoride
Look for filters certified under NSF 58 for fluoride removal.