CTWC - CRYSTAL SYSTEM
CT · PWS ID CT0690011 · Community water system
111
contaminants tested
24
detected
6,378
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0099 ug/L | 4/4 | 2025 |
| PFOS | 0.0068 ug/L | 3/4 | 2025 |
| PFBS | 0.0033 ug/L | 2/4 | 2025 |
| PFHxS | 0.0040 ug/L | 2/4 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 1800 UG/L | 331/331 | SYR4 | 2014–2019 |
| Lead | 149 UG/L | 173/331 | SYR4 | 2014–2019 |
| Nitrate | 2070 UG/L | 40/46 | SYR4 | 2012–2019 |
| Dibromochloromethane | 9 UG/L | 38/42 | SYR4 | 2012–2019 |
| Bromodichloromethane | 16 UG/L | 37/42 | SYR4 | 2012–2019 |
| Chloroform | 16 UG/L | 31/42 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0040 mg/L | 24/24 | LCR | 2025 |
| Bromoform | 2.9 UG/L | 22/42 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2070 UG/L | 20/23 | SYR4 | 2012–2019 |
| TTHM | 41.8 UG/L | 13/13 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3.2 UG/L | 12/12 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 6.8 UG/L | 12/12 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.6 UG/L | 11/12 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 30 PCI/L | 9/15 | SYR4 | 2013–2018 |
| Barium | 30 UG/L | 7/7 | SYR4 | 2012–2018 |
| Asbestos | 0.2000 MFL | 3/6 | SYR4 | 2013–2015 |
| Trichloroacetic Acid | 3.8 UG/L | 3/12 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 3.1 PCI/L | 2/19 | SYR4 | 2013–2018 |
| Chromium | 1.2 UG/L | 1/7 | SYR4 | 2012–2018 |
| Gross Alpha, Excl. Radon and U | 0.2200 PCI/L | 1/19 | SYR4 | 2013–2018 |
87 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, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndrinEthylbenzeneFluorideGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
BROOKLYNKILLINGLY