Serving roughly 6,355 people in Imperial County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for HOLTVILLE, CITY OF
1 water provider directly on file, serving roughly 6,355 people in Imperial County, California.
Quick answer: HOLTVILLE, CITY OF has no violations on file and no single reading stands out against its peers (136 other providers in this area). It serves roughly 6,355 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lithium
Totalhaloaceticacids (HAA5)
TTHM
Lead
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
Carbon, Total
pH
Aluminum
Fluoride
Barium
Arsenic
Utility HOLTVILLE, CITY OFPopulation served 6,355Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0009 mg/L (ppm)
12/31/2027
Lead
Detected: 1.5 UG/L (ppb)
6/4/2025
A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.
Copper, Free
Detected: 39 UG/L (ppb)
6/4/2025
Aluminum
Detected: 84 UG/L (ppb)
8/5/2025
Barium
Detected: 110 UG/L (ppb)
2/26/2025
Arsenic
Detected: 2 UG/L (ppb)
2/26/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 14 UG/L (ppb)
5/21/2025
TTHM
Detected: 36 UG/L (ppb)
5/21/2025
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: 16 UG/L (ppb)
5/21/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 1.6 UG/L (ppb)
5/21/2025
Bromodichloromethane
Detected: 11 UG/L (ppb)
5/21/2025
Dibromochloromethane
Detected: 7.6 UG/L (ppb)
5/21/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Fluoride
Detected: 0.29 MG/L (ppm)
2/26/2025
Often added deliberately for dental health; can also occur naturally.
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
pH
Detected: 8.1 PH
4/22/2025
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: 49.2 µg/L (ppb)
12/3/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 4.8 UG/L (ppb)
5/21/2025
Trichloroaceticacid
Detected: 9.1 UG/L (ppb)
5/21/2025
Dibromoaceticacid
Detected: 1.7 UG/L (ppb)
5/21/2025
Carbon, Total
Detected: 2.2 MG/L (ppm)
8/5/2025
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.