SANTA CLARITA VALLEY WATER AGENCY Water Quality Report
Serving roughly 294,090 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for SANTA CLARITA VALLEY WATER AGENCY
1 water provider directly on file, serving roughly 294,090 people in Los Angeles County, California.
Quick answer: SANTA CLARITA VALLEY WATER AGENCY has no violations on file. One reading is worth knowing about: PFOA was measured at 0.0169µg/L, among the highest of the 601 providers on file in this area. It's the most notable figure in this system's record among its 601 local peers.
Lead Summary
Lithium
PFPEA
PFBS
PFHPA
PFHXS
PFOS
PFOA
PFHXA
PFBA
Alkalinity, Total
Alkalinity, Bicarbonate
Carbon, Total
TDS
Sulfate
Chloride
Nitrate
Perfluorohexanoicacid (PFHXA)
Perfluorobutanoicacid (PFBA)
Perfluoroheptanoicacid (PFHPA)
Perfluoroctanoicacid (PFOA)
Perfluoropentanoicacid (PFPEA)
Conductivity (at 25°C)
Aggressive Index
Langelier Index (pH(s))
Langelier Index (Source Temp.)
Utility SANTA CLARITA VALLEY WATER AGENCYPopulation served 294,090Owner Private
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)
12/31/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 170 MG/L (ppm)
9/10/2025
Chloride
Detected: 88 MG/L (ppm)
9/10/2025
Nitrate
Detected: 3.8 MG/L (ppm)
7/8/2025
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)
Langelier Index (pH(s))
Detected: 1.8 LANG
6/18/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 10.1 µg/L (ppb)
3/13/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFPEA
Detected: 0.0111 µg/L (ppb)
4/4/2024
PFBS
Detected: 0.0056 µg/L (ppb)
12/6/2023
PFHPA
Detected: 0.0063 µg/L (ppb)
12/6/2023
PFHXS
Detected: 0.0032 µg/L (ppb)
12/27/2023
PFOS
Detected: 0.0075 µg/L (ppb)
12/6/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOA
Detected: 0.0169 µg/L (ppb)
12/6/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXA
Detected: 0.0066 µg/L (ppb)
1/3/2024
PFBA
Detected: 0.0089 µg/L (ppb)
4/4/2024
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 240 MG/L (ppm)
9/11/2025
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 240 MG/L (ppm)
9/11/2025
Carbon, Total
Detected: 0.55 MG/L (ppm)
9/11/2025
TDS
Detected: 700 MG/L (ppm)
9/11/2025
Perfluorohexanoicacid (PFHXA)
Detected: 19 NG/L (ppt)
9/10/2025
Perfluorobutanoicacid (PFBA)
Detected: 12 NG/L (ppt)
9/10/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 4.5 NG/L (ppt)
9/10/2025
Perfluoroctanoicacid (PFOA)
Detected: 3.1 NG/L (ppt)
9/10/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoropentanoicacid (PFPEA)
Detected: 16 NG/L (ppt)
9/10/2025
Conductivity (at 25°C)
Detected: 1200 UMHO/CM
7/8/2025
Aggressive Index
Detected: 13 AGGR
6/18/2025
Langelier Index (Source Temp.)
Detected: 1.2 LANG
6/18/2025
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.