COLUMBIA CITY OF (SC4010001)

SC Β· PWS ID SC4010001 Β· Community water system

105
contaminants tested
24
detected
354,068
people served
Water source
Surface water
Ownership
Local government
Counties served
Richland

PFAS detected

β€œForever chemicals” from UCMR-5 β€” the only fresh nationwide measurements (2023–2025).
ContaminantMaxDetection ratePeriod
PFHxA 0.0057 ug/L 8/8 2025
PFPeA 0.0068 ug/L 8/8 2025
PFOA 0.0069 ug/L 6/8 2025
PFOS 0.0086 ug/L 6/8 2025
HFPO-DA 0.0092 ug/L 5/8 2025
PFBS 0.0052 ug/L 4/8 2025
PFHpA 0.0030 ug/L 1/8 2025

Other contaminants detected

ContaminantMaxDetection rateSourcePeriod
Bromodichloromethane 16.43 UG/L 312/312 SYR4 2012–2019
TTHM 64.7 UG/L 312/312 SYR4 2012–2019
Total Haloacetic Acids (HAA5) 68.6 UG/L 312/312 SYR4 2012–2019
Trichloroacetic Acid 37.79 UG/L 312/312 SYR4 2012–2019
Chloroform 44.47 UG/L 311/312 SYR4 2012–2019
Dichloroacetic Acid 42.45 UG/L 308/312 SYR4 2012–2019
Monobromoacetic acid 14.37 UG/L 284/312 SYR4 2012–2019
Dibromochloromethane 28.24 UG/L 277/312 SYR4 2012–2019
Dibromoacetic acid 14.53 UG/L 105/312 SYR4 2012–2019
COPPER, FREE 450 UG/L 99/100 SYR4 2014–2017
Lead 13 UG/L 33/100 SYR4 2014–2017
Nitrate 470 UG/L 30/34 SYR4 2012–2019
LEAD SUMMARY 0.1140 mg/L 21/21 LCR 2023
Bromoform 18.28 UG/L 18/312 SYR4 2012–2019
Fluoride 670 UG/L 17/17 SYR4 2012–2019
Monochloroacetic acid 23.4888 UG/L 8/312 SYR4 2012–2019
Barium 240 UG/L 1/17 SYR4 2012–2019
81 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined Radium (-226 and -228)DICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene

Areas served

COLUMBIA

Utility contact

Contact
SHEALY, CLINT
Phone
803-545-3400
Email
JOHN.RIGGS@COLUMBIASC.GOV; SIDNEY.VARN@COLUMBIASC.GOV; ANGELA.MCCULLOUGH@COLUMBIASC.GOV