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Allendale, SC Tap Water Quality 2026

Water quality report for Allendale, SC — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Allendale's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Allendale Town Of (sc0310001) PWSID: SC0310001 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.80 ppb, 12% of the action level and no violations are open. No PFAS was detected.

B

Allendale earns a B for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 1.80 ppb — 12% of the federal action level
PFAS tested, none detected
8 violations since 2015, 2 health-based
No violations currently open
Allendale's lead level vs. all South Carolina community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.80 ppb — 12% of the federal action level
✓ Lower lead than 45% of South Carolina utilities
Population Served
1317
~2151 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
8 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
12% of EPA action level
1.80 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.80 ppb, 12% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2022 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2019 Addressed
Revised Total Coliform Rule MCL EXCEEDANCE — — 2019 Resolved
E. COLI MONITORING AND REPORTING — 0 2016 Resolved
E. COLI MONITORING AND REPORTING — 0 2016 Resolved
E. COLI MONITORING AND REPORTING — 0 2016 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

8 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Allendale Town Of (Sc0310001)
PWSID SC0310001
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,317
Service connections 2,151
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Allendale tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.80 ppb, 12% of the action level.
Does Allendale water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Allendale? ▼
Allendale Town Of (Sc0310001) (PWSID SC0310001), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-02-27. Inspectors recorded 1 significant deficiency.

What Should Allendale Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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