CAL AM WATER COMPANY - MONTEREY Water Quality Report
Serving roughly 92,450 people in Monterey County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for CAL AM WATER COMPANY - MONTEREY
1 water provider directly on file, serving roughly 92,450 people in Monterey County, California.
Quick answer: CAL AM WATER COMPANY - MONTEREY has no violations on file. One reading is worth knowing about: Iron was measured at 1780UG/L, among the highest of the 672 providers on file in this area. It's the most notable figure in this system's record among its 672 local peers.
Lead Summary
Copper Summary
Lithium
PFPEA
PFHPA
PFHXA
PFOA
PFOS
PFHXS
PFBS
PFBA
Turbidity
Manganese, Dissolved
Iron, Dissolved
Iron
Manganese
Temperature (CENTIGRADE)
Calcium
Orthophosphate
Alkalinity, Total
Utility CAL AM WATER COMPANY - MONTEREYPopulation served 92,450Owner Private
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.002 mg/L (ppm)
12/31/2025
Copper Summary
Detected: 1.865 mg/L (ppm)
07/31/1992
Manganese, Dissolved
Detected: 104 UG/L (ppb)
10/24/2025
Iron, Dissolved
Detected: 1170 UG/L (ppb)
10/24/2025
Iron
Detected: 1780 UG/L (ppb)
10/24/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Manganese
Detected: 136 UG/L (ppb)
10/24/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Minerals
Everyday minerals that mainly affect taste and water hardness
Calcium
Detected: 45 MG/L (ppm)
7/10/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Orthophosphate
Detected: 1.28 MG/L (ppm)
7/10/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 11.1 µg/L (ppb)
12/29/2023
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFPEA
Detected: 0.0092 µg/L (ppb)
8/7/2023
PFHPA
Detected: 0.0036 µg/L (ppb)
8/7/2023
PFHXA
Detected: 0.0093 µg/L (ppb)
8/7/2023
PFOA
Detected: 0.0081 µg/L (ppb)
8/7/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOS
Detected: 0.0073 µg/L (ppb)
8/7/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0087 µg/L (ppb)
8/7/2023
PFBS
Detected: 0.0132 µg/L (ppb)
8/7/2023
PFBA
Detected: 0.005 µg/L (ppb)
8/7/2023
Other
Additional substances tested that don't fit neatly into the categories above
Turbidity
Detected: 4.4 NTU
10/24/2025
A measure of water cloudiness from suspended particles.
Temperature (CENTIGRADE)
Detected: 20.4 C
4/10/2025
Alkalinity, Total
Detected: 141 MG/L (ppm)
7/9/2025
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.