Serving roughly 126,804 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for PALMDALE WATER DIST.
1 water provider directly on file, serving roughly 126,804 people in Los Angeles County, California.
Quick answer: PALMDALE WATER DIST. has no violations on file. One reading is worth knowing about: Bromodichloromethane was measured at 21UG/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
PFPEA
PFBS
PFHXA
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Totalhaloaceticacids (HAA5)
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Aggressive Index
Langelier Index (Source Temp.)
Magnesium
Potassium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Sulfate
Chloride
Fluoride
Nitrate
Utility PALMDALE WATER DIST.Population served 126,804Owner 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
TTHM
Detected: 63 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: 15 UG/L (ppb)
8/12/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 6.6 UG/L (ppb)
8/12/2025
Bromodichloromethane
Detected: 21 UG/L (ppb)
8/12/2025
Dibromochloromethane
Detected: 20 UG/L (ppb)
8/12/2025
Totalhaloaceticacids (HAA5)
Detected: 6.7 UG/L (ppb)
8/12/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 140 MG/L (ppm)
9/4/2025
Chloride
Detected: 110 MG/L (ppm)
9/4/2025
Fluoride
Detected: 0.22 MG/L (ppm)
9/4/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate
Detected: 1.6 MG/L (ppm)
9/4/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 14 MG/L (ppm)
9/4/2025
Potassium
Detected: 1.8 MG/L (ppm)
9/4/2025
Sodium
Detected: 84 MG/L (ppm)
9/4/2025
Calcium
Detected: 74 MG/L (ppm)
9/4/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 240 MG/L (ppm)
9/4/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFPEA
Detected: 0.0046 µg/L (ppb)
6/3/2024
PFBS
Detected: 0.0045 µg/L (ppb)
6/3/2024
PFHXA
Detected: 0.0034 µg/L (ppb)
12/9/2024
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 110 MG/L (ppm)
9/4/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 2.6 UG/L (ppb)
8/12/2025
Trichloroaceticacid
Detected: 1.1 UG/L (ppb)
5/13/2025
Dibromoaceticacid
Detected: 4.1 UG/L (ppb)
8/12/2025
Aggressive Index
Detected: 12 AGGR
9/4/2025
Langelier Index (Source Temp.)
Detected: -0.38 LANG
3/31/2025
Alkalinity, Total
Detected: 110 MG/L (ppm)
9/4/2025
TDS
Detected: 540 MG/L (ppm)
9/4/2025
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.