GUERNSEY CO. WATER DEPT.

OH · PWS ID OH3000603 · Community water system

44
contaminants tested
14
detected
8,891
people served
Water source
SWP
Ownership
Local government
Counties served
Guernsey

PFAS detected

“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
ContaminantMaxDetection ratePeriod
PFOA 0.0098 ug/L 3/3 2025

Other contaminants detected

ContaminantMaxDetection rateSourcePeriod
Bromodichloromethane 30.4 UG/L 59/59 SYR4 2012–2019
Chloroform 99 UG/L 59/59 SYR4 2012–2019
Dibromochloromethane 8.7 UG/L 59/59 SYR4 2012–2019
Dichloroacetic Acid 36.2 UG/L 59/59 SYR4 2012–2019
TTHM 129.2 UG/L 59/59 SYR4 2012–2019
Trichloroacetic Acid 29.7 UG/L 58/59 SYR4 2012–2019
Total Haloacetic Acids (HAA5) 65 UG/L 57/59 SYR4 2012–2019
LEAD SUMMARY 0.0099 mg/L 18/18 LCR 2023
Monochloroacetic acid 3.2 UG/L 14/59 SYR4 2012–2019
Dibromoacetic acid 2 UG/L 9/59 SYR4 2012–2019
COPPER, FREE 591 UG/L 7/40 SYR4 2014–2017
Lead 7.1 UG/L 1/40 SYR4 2014–2017
lithium 9.7 ug/L 1/3 UCMR-5 2025
30 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONABromoformHFPO-DAMonobromoacetic acidNEtFOSAANFDHANMeFOSAAPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOSPFPeAPFPeSPFTAPFTrDAPFUnA

Utility contact

Contact
WILSON, DAVE
Phone
740-432-9200
Email
DWILSON@GUERNSEYCOUNTY.ORG