Serving roughly 79,776 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for CITY OF ALHAMBRA
1 water provider directly on file, serving roughly 79,776 people in Los Angeles County, California.
Quick answer: CITY OF ALHAMBRA has no violations on file and no single reading stands out against its peers (601 other providers in this area). It serves roughly 79,776 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lithium
Nitrate
Perchlorate
1, 2, 3-Trichloropropane
Trichloroethylene
Tetrachloroethylene
Cis-1, 2-Dichloroethylene
Temperature (CENTIGRADE)
Magnesium
Potassium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
TDS
Chloride
Sulfate
Hardness, Total (ASCACO3)
Fluoride
Utility CITY OF ALHAMBRAPopulation served 79,776Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2024
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 4.1 MG/L (ppm)
10/21/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Chloride
Detected: 50 MG/L (ppm)
6/3/2025
Sulfate
Detected: 53 MG/L (ppm)
6/3/2025
Fluoride
Detected: 0.56 MG/L (ppm)
6/3/2025
Often added deliberately for dental health; can also occur naturally.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 20 MG/L (ppm)
6/3/2025
Potassium
Detected: 2.3 MG/L (ppm)
6/3/2025
Sodium
Detected: 46 MG/L (ppm)
6/3/2025
Calcium
Detected: 65 MG/L (ppm)
6/3/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 240 MG/L (ppm)
6/3/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 53 µg/L (ppb)
8/7/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
1, 2, 3-Trichloropropane
Detected: 0.0053 UG/L (ppb)
10/21/2025
Trichloroethylene
Detected: 3.3 UG/L (ppb)
10/21/2025
Tetrachloroethylene
Detected: 1.1 UG/L (ppb)
10/21/2025
Cis-1, 2-Dichloroethylene
Detected: 0.79 UG/L (ppb)
10/21/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 200 MG/L (ppm)
6/3/2025
Other
Additional substances tested that don't fit neatly into the categories above
Perchlorate
Detected: 1.5 UG/L (ppb)
10/21/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
Temperature (CENTIGRADE)
Detected: 22.1 C
6/3/2025
Alkalinity, Total
Detected: 200 MG/L (ppm)
6/3/2025
TDS
Detected: 450 MG/L (ppm)
6/3/2025
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.