HELENDALE COMMUNITY SERVICE DISTRICT Water Quality Report
Serving roughly 6,347 people in San Bernardino County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
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Results for HELENDALE COMMUNITY SERVICE DISTRICT
1 water provider directly on file, serving roughly 6,347 people in San Bernardino County, California.
Quick answer: HELENDALE COMMUNITY SERVICE DISTRICT has no violations on file. One reading is worth knowing about: Perfluorobutanesulfonicacid (PFBS) was measured at 8.2NG/L, among the highest of the 669 providers on file in this area. It's the most notable figure in this system's record among its 669 local peers.
Lead Summary
PFOA
PFOS
PFHXS
PFBS
PFPEA
PFHXA
PFBA
Lithium
Totalhaloaceticacids (HAA5)
TTHM
Bromoform
Dibromochloromethane
Dibromoaceticacid
Nitrate
Perfluorobutanesulfonicacid (PFBS)
Perfluoroheptanoicacid (PFHPA)
Perfluorohexanesulfonicacid (PFHxS)
Perfluorononanoicacid (PFNA)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluorobutanoicacid (PFBA)
Perfluoropentanoicacid (PFPEA)
Perfluoropentanesulfonicacid (PFPES)
Radium-228
Utility HELENDALE COMMUNITY SERVICE DISTRICTPopulation served 6,347Owner Local government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2024
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 1.5 UG/L (ppb)
7/16/2025
TTHM
Detected: 9.9 UG/L (ppb)
7/16/2025
A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.
Bromoform
Detected: 7.9 UG/L (ppb)
7/16/2025
Dibromochloromethane
Detected: 2 UG/L (ppb)
7/16/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.59 MG/L (ppm)
5/14/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFOA
Detected: 0.013 µg/L (ppb)
9/18/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOS
Detected: 0.023 µg/L (ppb)
9/18/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0146 µg/L (ppb)
9/18/2023
PFBS
Detected: 0.006 µg/L (ppb)
9/18/2023
PFPEA
Detected: 0.006 µg/L (ppb)
9/18/2023
PFHXA
Detected: 0.005 µg/L (ppb)
9/18/2023
PFBA
Detected: 0.0082 µg/L (ppb)
9/18/2023
Lithium
Detected: 14.5 µg/L (ppb)
7/10/2023
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
Other
Additional substances tested that don't fit neatly into the categories above
Dibromoaceticacid
Detected: 1.5 UG/L (ppb)
7/16/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 8.2 NG/L (ppt)
10/15/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 2.2 NG/L (ppt)
10/15/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 13 NG/L (ppt)
10/15/2025
Perfluorononanoicacid (PFNA)
Detected: 2.3 NG/L (ppt)
7/23/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 18 NG/L (ppt)
10/15/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 11 NG/L (ppt)
10/15/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 7.5 NG/L (ppt)
10/15/2025
Perfluorobutanoicacid (PFBA)
Detected: 8 NG/L (ppt)
10/15/2025
Perfluoropentanoicacid (PFPEA)
Detected: 9.1 NG/L (ppt)
10/15/2025
Perfluoropentanesulfonicacid (PFPES)
Detected: 2.3 NG/L (ppt)
7/23/2025
Radium-228
Detected: 0.154 PCI/L
9/10/2025
Filtration considerations: See the table below for how whole-house carbon, under-sink reverse osmosis, and under-sink carbon systems compare against what's actually on file here. These are general system types, not a specific product recommendation.