CRESCENT CITY is served by 2 water providers on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for CRESCENT CITY, CA
2 water providers on file serving this city.
Quick answer: CRESCENT CITY's water has no violations on file and no single reading stands out against its peers (2 other providers in this area). It serves roughly 17,262 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Magnesium
Calcium
Sodium
Hardness, Total (ASCACO3)
Nitrate
Gross Alpha Particle Activity
Gross Beta Particle Activity
Barium
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.00301 mg/L (ppm)
Found at 2 providers
Barium
Detected: 6.6 UG/L (ppb)
7/2/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 7.5 UG/L (ppb)
6/3/2025
TTHM
Detected: 14 UG/L (ppb)
6/3/2025
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: 8.7 UG/L (ppb)
6/3/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 4.2 UG/L (ppb)
6/3/2025
Dibromochloromethane
Detected: 1 UG/L (ppb)
6/3/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 1.8 MG/L (ppm)
7/2/2025
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: 11 MG/L (ppm)
7/2/2025
Calcium
Detected: 6.1 MG/L (ppm)
7/2/2025
Sodium
Detected: 2.3 MG/L (ppm)
7/2/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 60 MG/L (ppm)
7/2/2025
Gross Alpha Particle Activity
Detected: 1.98 PCI/L
7/2/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 3.9 UG/L (ppb)
6/3/2025
Trichloroaceticacid
Detected: 3.5 UG/L (ppb)
6/3/2025
Gross Beta Particle Activity
Detected: 2.33 PCI/L
7/2/2025
Filtration considerations: General system types, not a specific product recommendation.