Serving roughly 22,051 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for PICO WD
1 water provider directly on file, serving roughly 22,051 people in Los Angeles County, California.
Quick answer: PICO WD has no violations on file and no single reading stands out against its peers (601 other providers in this area). It serves roughly 22,051 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
PFHXS
PFBS
PFHXA
PFPEA
PFOS
PFBA
PFOA
Pfda
PFHPA
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Alkalinity, Total
Alkalinity, Bicarbonate
Carbon, Total
TDS
Chloride
Sulfate
Nitrate
Perfluorobutanoicacid (PFBA)
Perfluoropentanoicacid (PFPEA)
N-Nitrosodimethylamine
N-Nitrosomorpholine (NMOR)
Styrene
Conductivity (at 25°C)
Perfluorobutanesulfonicacid (PFBS)
Perfluoroheptanoicacid (PFHPA)
Perfluorohexanesulfonicacid (PFHxS)
Perfluorononanoicacid (PFNA)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluorodecanoicacid (PFDA)
Tetrachloroethylene
Utility PICO WDPopulation served 22,051Owner 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)
12/31/2023
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 6.1 UG/L (ppb)
8/12/2025
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.
Chloroform
Detected: 2.3 UG/L (ppb)
8/12/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 1.5 UG/L (ppb)
8/12/2025
Bromodichloromethane
Detected: 1.2 UG/L (ppb)
5/12/2025
Dibromochloromethane
Detected: 1.4 UG/L (ppb)
8/12/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 64 MG/L (ppm)
9/25/2025
Sulfate
Detected: 91 MG/L (ppm)
9/25/2025
Nitrate
Detected: 2.8 MG/L (ppm)
9/25/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
N-Nitrosomorpholine (NMOR)
Detected: 0.002 UG/L (ppb)
5/6/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFHXS
Detected: 0.005 µg/L (ppb)
5/29/2024
PFBS
Detected: 0.0068 µg/L (ppb)
5/29/2024
PFHXA
Detected: 0.0078 µg/L (ppb)
5/29/2024
PFPEA
Detected: 0.0086 µg/L (ppb)
5/29/2024
PFOS
Detected: 0.023 µg/L (ppb)
5/29/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFBA
Detected: 0.0084 µg/L (ppb)
5/29/2024
PFOA
Detected: 0.011 µg/L (ppb)
5/29/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Pfda
Detected: 0.0051 µg/L (ppb)
9/18/2023
PFHPA
Detected: 0.0034 µg/L (ppb)
3/7/2024
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Styrene
Detected: 0.9 UG/L (ppb)
3/13/2025
Tetrachloroethylene
Detected: 1.2 UG/L (ppb)
7/29/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 200 MG/L (ppm)
9/25/2025
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 160 MG/L (ppm)
9/25/2025
Carbon, Total
Detected: 0.49 MG/L (ppm)
9/25/2025
TDS
Detected: 390 MG/L (ppm)
9/25/2025
Perfluorobutanoicacid (PFBA)
Detected: 7.1 NG/L (ppt)
9/2/2025
Perfluoropentanoicacid (PFPEA)
Detected: 2.9 NG/L (ppt)
9/2/2025
N-Nitrosodimethylamine
Detected: 0.0032 UG/L (ppb)
3/10/2025
Conductivity (at 25°C)
Detected: 530 UMHO/CM
5/6/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 6.5 NG/L (ppt)
9/2/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 2.4 NG/L (ppt)
9/2/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 4 NG/L (ppt)
9/2/2025
Perfluorononanoicacid (PFNA)
Detected: 3.8 NG/L (ppt)
7/29/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 19 NG/L (ppt)
9/2/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 9.7 NG/L (ppt)
9/2/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 5.7 NG/L (ppt)
9/2/2025
Perfluorodecanoicacid (PFDA)
Detected: 2.3 NG/L (ppt)
7/29/2025
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.