Clemson, SC: 4 Violations — 80/100 (2026)
4 ZIP codes · 5 water systems · Updated 2026-06-03
Compared to statewide averages in SC, Clemson scores well — health violations are below the norm and systems generally operate within federal standards.
How Clemson Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Clemson Water
- Your city's water systems recorded 4 violations in the past 5 years.
- Average lead level: 0.005 mg/L.
- Estimated remediation: $950 per household.
- CDC health risk index: 13.04 — above typical levels.
Who Supplies Your Water in Clemson
Throughout Clemson, SC, water comes from one of 3 primary utilities out of 5 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
Overview
We track water quality and home safety data for 4 ZIP codes in Clemson, South Carolina, covering 5 community water systems serving approximately 22,318 people.
4 of 4 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Clemson: B (80/100)
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
Clemson water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0050 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 4 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 5 | 4 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 29631 | B | 1 | 0 | Clemson City of (sc3910004) |
| 29632 | B | 1 | 0 | Clemson City of (sc3910004) |
| 29633 | B | 1 | 0 | Clemson City of (sc3910004) |
| 29634 | B | 1 | 0 | Clemson City of (sc3910004) |
All ZIP Codes in Clemson
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 Clemson
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
Top Contaminants in Clemson Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Clemson Homeowners
What does remediation cost in financial context for Clemson homeowners? Proportionally very little — the equity share here is low, and addressing documented issues is a manageable planning question rather than a material financial burden.
Remediation costs in Clemson are relatively low compared to home values. The $350–$1,650 estimated range is a small fraction of median property value. Home values are 75% above the South Carolina average.
Lead Exposure Risk for Children in Clemson
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.
Lead risk in Clemson appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Clemson
How does Clemson's flood record connect to local water quality? The NFIP documents 13 claims — enough to signal recurring events — and 25% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Clemson has a moderate flood history with 13 FEMA claims averaging $5,803 per payout. 25% 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>$950</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 Clemson, SC