Seneca, SC: 10 Violations - Home Safety Score unavailable
3 ZIP codes · 7 water systems · Updated
Data: EPA SDWIS
Seneca Water: The Quick Version
- Your city's water systems recorded 10 violations in the past 5 years.
- Average lead level: 0.0045 mg/L.
- Homes built before 1986: 45% - older plumbing may contain lead solder.
- Estimated remediation: $1,400 per household.
- CDC health risk index: 14.98 - above typical levels.
Water Systems Serving Seneca
Water delivery in Seneca, SC is handled by 3 utilities rather than a single system - drawn from 7 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track home safety data for 3 ZIP codes in Seneca, South Carolina (population ~35,871), covering 7 community water systems serving approximately 92,043 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 3 ZIP codes.
2 of 2 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Water Sources
Seneca water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0045 mg/L (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 3 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 |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 8 | 2 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 4 | 2 |
| Surface Water Treatment Rule | Treatment Technique | 3 | 2 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 29678 | — | 10 | 0 | Seneca City of (sc3710002) |
| 29672 | — | 4 | 0 | Seneca City of (sc3710002) |
All ZIP Codes in Seneca
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Seneca
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
Key Contaminants Detected in Seneca
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Seneca's Housing Stock?
With 45% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Pre-1986 construction carries elevated plumbing-era lead risk because lead solder was widely used before that federal ban. In Seneca, the median build year of 1991 indicates a housing stock where that older fraction represents a significant share of the residential inventory.
Most homes in Seneca were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Seneca: Remediation Cost in Perspective
At current valuations, Seneca sits in the low remediation-share tier - the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Seneca are relatively low compared to home values. The $667–$2,233 estimated range is a small fraction of median property value. Home values are 91% above the South Carolina average.
Protecting Children from Lead in Seneca
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.
Older stock in Seneca represents 45% of the inventory, and citywide monitoring runs at or above the federal action level - making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Seneca
Historical NFIP data for Seneca contains 8 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $7,156. Among ZIP codes with claim records, 50% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$1,400</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Seneca, SC