LAKEPORT is served by 5 water providers on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
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Results for LAKEPORT, CA
5 water providers on file serving this city.
Quick answer: LAKEPORT's water has no violations on file and no single reading stands out against its peers (5 other providers in this area). It serves roughly 4,762 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Copper Summary
Lithium
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Dibromoaceticacid
Trichloroaceticacid
Odor
Aggressive Index
Magnesium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Gross Beta Particle Activity
pH
Conductivity (at 25°C)
Color
Fluoride
Turbidity
Boron, Total
Iron
Manganese
Aluminum
Nitrate
Vanadium, Total
Chromium, Hex
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2024
Copper Summary
Detected: 1.4 mg/L (ppm)
12/31/2005
Iron
Detected: 170 UG/L (ppb)
6/12/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Manganese
Detected: 100 UG/L (ppb)
6/12/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Aluminum
Detected: 93 UG/L (ppb)
6/12/2025
Vanadium, Total
Detected: 11 UG/L (ppb)
6/23/2025
Chromium, Hex
Detected: 1.02 UG/L (ppb)
6/23/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 5 UG/L (ppb)
7/8/2025
TTHM
Detected: 14.97 UG/L (ppb)
7/8/2025
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: 6.88 UG/L (ppb)
7/8/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 5 UG/L (ppb)
7/8/2025
Dibromochloromethane
Detected: 3.09 UG/L (ppb)
7/8/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 21 MG/L (ppm)
Found at 2 providers
Sulfate
Detected: 15 MG/L (ppm)
Found at 2 providers
Fluoride
Detected: 0.36 MG/L (ppm)
Found at 2 providers
Often added deliberately for dental health; can also occur naturally.
Boron, Total
Detected: 800 UG/L (ppb)
6/12/2025
Nitrate
Detected: 1.2 MG/L (ppm)
3/17/2025
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: 20 MG/L (ppm)
Found at 2 providers
Sodium
Detected: 37 MG/L (ppm)
Found at 2 providers
Calcium
Detected: 46 MG/L (ppm)
Found at 2 providers
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 197 MG/L (ppm)
Found at 2 providers
pH
Detected: 7.39 PH
Found at 2 providers
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 15.3 µg/L (ppb)
5/6/2025
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 210 MG/L (ppm)
Found at 2 providers
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 2.6 UG/L (ppb)
7/8/2025
Dibromoaceticacid
Detected: 1.2 UG/L (ppb)
7/8/2025
Trichloroaceticacid
Detected: 1.2 UG/L (ppb)
7/8/2025
Odor
Detected: 10 TON
6/12/2025
Aggressive Index
Detected: 11.54 AGGR
Found at 2 providers
Alkalinity, Total
Detected: 210 MG/L (ppm)
Found at 2 providers
TDS
Detected: 310 MG/L (ppm)
Found at 2 providers
Gross Beta Particle Activity
Detected: 2.08 PCI/L
9/10/2025
Conductivity (at 25°C)
Detected: 450 UMHO/CM
Found at 2 providers
Color
Detected: 6 UNITS
9/11/2025
Turbidity
Detected: 2.8 NTU
6/12/2025
A measure of water cloudiness from suspended particles.
Filtration considerations: General system types, not a specific product recommendation.