States ›South Carolina ›Oconee County ›Keowee Key

Keowee Key, SC Tap Water Quality 2026

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

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

Main Utility: Keowee Key Utility System Inc (3750023) PWSID: SC3750023 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.00 ppb, 20% of the action level and no violations are open. No PFAS was detected.

A

Keowee Key earns an A for water quality

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

Lead: 3.00 ppb — 20% of the federal action level
PFAS tested, none detected
3 violations since 2015, 0 health-based
No violations currently open
Keowee Key's lead level vs. all South Carolina community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.00 ppb — 20% of the federal action level
✓ Lower lead than 34% of South Carolina utilities
Population Served
2716
~1770 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
20% of EPA action level
3.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 3.00 ppb, 20% 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 — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2018 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

3 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Keowee Key Utility System Inc (3750023)
PWSID SC3750023
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 2,716
Service connections 1,770
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Keowee Key tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.00 ppb, 20% of the action level.
Does Keowee Key water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Keowee Key? ▼
Keowee Key Utility System Inc (3750023) (PWSID SC3750023). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2022-12-01. No significant deficiencies were recorded.

What Should Keowee Key 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.

Nearby Cities in South Carolina

Seneca, Sc Tap Water Quality 2026 Oconee Walhalla, Sc Tap Water Quality 2026 Oconee Westminster, Sc Tap Water Quality 2026 Oconee Utica, Sc Tap Water Quality 2026 Oconee Chickasaw Point, Sc Tap Water Quality 2026 Oconee Fair Play, Sc Tap Water Quality 2026 Oconee