PFAS Analyte · UCMR 5

8:2FTS

8:2 Fluorotelomer sulfonic acid

CAS 39108-34-4· UCMR 5· No individual MCL set
8
Systems monitored
with official records
8
Systems with detections
100.0% detection rate
10
Detected samples
of 10 total samples
Dec 2023 – Sep 2025
Monitoring period
per UCMR 5 schedule

Detection Rate — 8:2FTS

Systems with any detection100.0%

8 of 8 monitored systems

Sample-level detection rate100.0%

10 detections across 10 total samples

States with Most 8:2FTS Detections

1
FL

Florida

6 detections

2
PA

Pennsylvania

2 detections

3
DE

Delaware

1 detection

4
OR

Oregon

1 detection

Water Systems with Most 8:2FTS Detections

Systems ranked by number of samples detected above the minimum reporting limit. Detection count reflects monitoring frequency, not concentration level.

1

Mdwasa - Main System

FL4130871 · FL · 2,377,460 served

2 detected2

Emmaus Borough Public Water

PA3390032 · PA · 14,000 served

2 detected3

City of Hialeah

FL4130604 · FL · 238,000 served

1 detected4

City of Miami Beach

FL4130901 · FL · 100,000 served

1 detected5

Georgetown Water Department

DE0000592 · DE · 7,259 served

1 detected6

City of North Bay Village

FL4130970 · FL · 8,317 served

1 detected7

City of Sherwood

OR4100816 · OR · 19,885 served

1 detected8

Bal Harbour Village

FL4130077 · FL · 3,209 served

1 detected

All records are from official EPA UCMR 5 monitoring data. Detection counts reflect the number of samples where the analyte was reported above the minimum reporting limit (MRL). They are not compliance determinations and do not imply a health violation.

8:2FTS at a Glance

Full Name8:2 Fluorotelomer sulfonic acid
CAS Number39108-34-4
UCMR RoundUCMR 5
EPA MCLSee mixture rule
Systems Monitored8
Systems Detected8
Detection Rate100.0%

Note

No MCL as of April 2024.

EPA PFAS Drinking Water RegulationEPA UCMR 5 Source Data Back to PFAS Watchlist