Serving roughly 15,248 people in San Bernardino County, California.
Data current as of July 2026
🔍Straight from EPA
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Results for USMC - 29 PALMS
1 water provider directly on file, serving roughly 15,248 people in San Bernardino County, California.
Quick answer: USMC - 29 PALMS has no violations on file. One reading is worth knowing about: Lead Summary was measured at 0.02mg/L, among the highest of the 669 providers on file in this area. It's the most notable figure in this system's record among its 669 local peers.
Lead Summary
TTHM
Bromoform
Chloroform
Bromodichloromethane
Dibromochloromethane
Dibromoaceticacid
Iron
Arsenic
Temperature (CENTIGRADE)
Langelier Index (pH(s))
TDS
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
Fluoride
pH
Boron, Total
Chromium, Hex
Conductivity (at 25°C)
Nitrate
Radium-226
Radium-228
Gross Alpha Particle Activity
Xylenes, Total
Chromium
Barium
Aluminum
Utility USMC - 29 PALMSPopulation served 15,248Owner Federal government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.02 mg/L (ppm)
12/31/2024
Iron
Detected: 210 UG/L (ppb)
10/7/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Arsenic
Detected: 6 UG/L (ppb)
9/9/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Chromium, Hex
Detected: 8.1 UG/L (ppb)
9/9/2025
Chromium
Detected: 11 UG/L (ppb)
1/30/2025
Occurs in two forms — trivalent (an essential nutrient in trace amounts) and hexavalent (linked to increased cancer risk).
Barium
Detected: 22 UG/L (ppb)
1/30/2025
Aluminum
Detected: 59 UG/L (ppb)
1/30/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 1 UG/L (ppb)
10/7/2025
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.
Bromoform
Detected: 1 UG/L (ppb)
10/7/2025
Chloroform
Detected: 5.4 UG/L (ppb)
7/1/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 5.8 UG/L (ppb)
7/1/2025
Dibromochloromethane
Detected: 4.6 UG/L (ppb)
7/1/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Fluoride
Detected: 2.5 MG/L (ppm)
9/9/2025
Often added deliberately for dental health; can also occur naturally.
Boron, Total
Detected: 430 UG/L (ppb)
9/9/2025
Nitrate
Detected: 1.1 MG/L (ppm)
1/30/2025
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
Calcium
Detected: 9.7 MG/L (ppm)
9/9/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Langelier Index (pH(s))
Detected: -0.25 LANG
9/9/2025
Hardness, Total (ASCACO3)
Detected: 25 MG/L (ppm)
9/9/2025
pH
Detected: 8 PH
9/9/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
Gross Alpha Particle Activity
Detected: 2.92 PCI/L
8/21/2025
Petroleum Compounds
Substances associated with fuel or petroleum contamination
Xylenes, Total
Detected: 0.64 UG/L (ppb)
1/30/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 36 MG/L (ppm)
9/9/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dibromoaceticacid
Detected: 1.2 UG/L (ppb)
7/1/2025
Temperature (CENTIGRADE)
Detected: 25 C
9/9/2025
TDS
Detected: 350 MG/L (ppm)
9/9/2025
Alkalinity, Total
Detected: 36 MG/L (ppm)
9/9/2025
Conductivity (at 25°C)
Detected: 160 UMHO/CM
9/9/2025
Radium-226
Detected: 1.68 PCI/L
4/23/2025
Radium-228
Detected: 0.231 PCI/L
8/21/2025
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.