HELENDALE COMMUNITY SERVICE DISTRICT
CA · PWS ID CA3610112 · Community water system
111
contaminants tested
20
detected
6,347
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0060 ug/L | 4/4 | 2023 |
| PFHxA | 0.0064 ug/L | 4/4 | 2023 |
| PFHxS | 0.0146 ug/L | 4/4 | 2023 |
| PFOA | 0.0130 ug/L | 4/4 | 2023 |
| PFOS | 0.0230 ug/L | 4/4 | 2023 |
| PFPeA | 0.0067 ug/L | 4/4 | 2023 |
| PFBA | 0.0082 ug/L | 3/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5650 UG/L | 50/90 | SYR4 | 2012–2019 |
| Arsenic | 27 UG/L | 25/32 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0057 mg/L | 25/25 | LCR | 2024 |
| Combined Uranium | 16.837 UG/L | 22/24 | SYR4 | 2012–2018 |
| Fluoride | 1700 UG/L | 15/15 | SYR4 | 2012–2018 |
| Bromoform | 18.8 UG/L | 10/11 | SYR4 | 2012–2018 |
| Dibromoacetic acid | 5.2 UG/L | 10/10 | SYR4 | 2014–2018 |
| Dibromochloromethane | 5.9 UG/L | 10/11 | SYR4 | 2012–2018 |
| TTHM | 25.7 UG/L | 10/11 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 5.2 UG/L | 10/10 | SYR4 | 2014–2018 |
| Bromodichloromethane | 1.4 UG/L | 8/11 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 640000 UG/L | 8/15 | SYR4 | 2012–2018 |
| lithium | 14.5 ug/L | 1/4 | UCMR-5 | 2023 |
91 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChloroformChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDichloroacetic AcidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene