GEORGETOWN WATER DEPARTMENT
High Risk3 PFAS compound(s) exceed EPA Maximum Contaminant Levels
This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.
11
PFAS Detected
3
Above EPA Limits
1
ZIP Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 36.00ppt | 900% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 14.00ppt | 350% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFNA Perfluorononanoic acid | 20.00ppt | 200% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 5.10ppt | 51% of limit
| 10 ppt | Below limit |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 180.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 110.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 68.00ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 39.00ppt | No federal limit | — | Unregulated |
Show 3 more compounds detected at low levels
| 8:2 FTS8:2 Fluorotelomer sulfonic acid | 30.00 ppt | No federal limit |
| PFBAPerfluorobutanoic acid | 24.00 ppt | No federal limit |
| PFBSPerfluorobutane sulfonic acid | 7.50 ppt | No federal limit |
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
DE0000592
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor