Serving roughly 42,219 people in San Diego County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for CAMP PENDLETON (SOUTH)
1 water provider directly on file, serving roughly 42,219 people in San Diego County, California.
Quick answer: CAMP PENDLETON (SOUTH) has no violations on file. One reading is worth knowing about: Aggressive Index was measured at 13AGGR, among the highest of the 414 providers on file in this area. It's the most notable figure in this system's record among its 414 local peers.
Lead Summary
Copper Summary
PFHXS
PFBS
Lithium
Aggressive Index
Langelier Index (pH(s))
Langelier Index (Source Temp.)
Magnesium
Potassium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Sulfate
Chloride
Fluoride
Nitrate
Turbidity
Gross Alpha Particle Activity
pH
Odor
TTHM
Iron
Manganese
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Nickel
Barium
Arsenic
Conductivity (at 25°C)
Perfluorobutanesulfonicacid (PFBS)
Perfluorohexanesulfonicacid (PFHxS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluorobutanoicacid (PFBA)
Perfluoropentanoicacid (PFPEA)
Perfluoropentanesulfonicacid (PFPES)
Combined Uranium
Radium-226
Radium-228
Combined Radium (-226 & -228)
Chromium, Hex
Trichloroethylene
Perchlorate
Chromium
Cyanide
Selenium
Copper, Free
Color
Perfluoroheptanoicacid (PFHPA)
Perfluorononanoicacid (PFNA)
Perfluoroundecanoicacid (PFUNA)
Perfluorooctanesulfonicacid6:2fts
Perfluorodecanesulfonicacid8:2fts
Perfluoroheptanesulfonicacid (PFHPS)
Utility CAMP PENDLETON (SOUTH)Population served 42,219Owner Federal government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.00051 mg/L (ppm)
12/31/2025
Copper Summary
Detected: 2.06 mg/L (ppm)
12/31/1994
Iron
Detected: 78 UG/L (ppb)
10/1/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Manganese
Detected: 2.4 UG/L (ppb)
10/16/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Nickel
Detected: 1.1 UG/L (ppb)
8/14/2025
Barium
Detected: 110 UG/L (ppb)
8/14/2025
Arsenic
Detected: 1.7 UG/L (ppb)
8/14/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Combined Uranium
Detected: 16 PCI/L
8/27/2025
A naturally occurring radioactive metal. Long-term exposure above the legal limit is associated with kidney effects and increased cancer risk.
Chromium, Hex
Detected: 1.8 UG/L (ppb)
2/28/2025
Chromium
Detected: 3.2 UG/L (ppb)
2/28/2025
Occurs in two forms — trivalent (an essential nutrient in trace amounts) and hexavalent (linked to increased cancer risk).
Selenium
Detected: 3.6 UG/L (ppb)
2/28/2025
Copper, Free
Detected: 1.3 UG/L (ppb)
2/28/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 5.4 UG/L (ppb)
8/14/2025
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: 0.51 UG/L (ppb)
9/18/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 1.4 UG/L (ppb)
9/18/2025
Bromodichloromethane
Detected: 1.6 UG/L (ppb)
9/18/2025
Dibromochloromethane
Detected: 2.9 UG/L (ppb)
9/18/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 220 MG/L (ppm)
8/14/2025
Chloride
Detected: 170 MG/L (ppm)
8/14/2025
Fluoride
Detected: 0.36 MG/L (ppm)
8/14/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate
Detected: 0.29 MG/L (ppm)
8/14/2025
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: 38 MG/L (ppm)
8/14/2025
Potassium
Detected: 4.6 MG/L (ppm)
8/14/2025
Sodium
Detected: 120 MG/L (ppm)
8/14/2025
Calcium
Detected: 93 MG/L (ppm)
8/14/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Langelier Index (pH(s))
Detected: 1.3 LANG
8/14/2025
Hardness, Total (ASCACO3)
Detected: 390 MG/L (ppm)
8/14/2025
Gross Alpha Particle Activity
Detected: 20.8 PCI/L
8/27/2025
pH
Detected: 8 PH
8/14/2025
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
PFHXS
Detected: 0.0054 µg/L (ppb)
2/14/2024
PFBS
Detected: 0.0032 µg/L (ppb)
2/14/2024
Lithium
Detected: 36.9 µg/L (ppb)
2/14/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Trichloroethylene
Detected: 1.5 UG/L (ppb)
10/21/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 180 MG/L (ppm)
8/14/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 13 AGGR
8/14/2025
Langelier Index (Source Temp.)
Detected: 0.78 LANG
8/14/2025
Alkalinity, Total
Detected: 180 MG/L (ppm)
8/14/2025
TDS
Detected: 800 MG/L (ppm)
8/14/2025
Turbidity
Detected: 2.9 NTU
10/21/2025
A measure of water cloudiness from suspended particles.
Odor
Detected: 2 TON
8/14/2025
Conductivity (at 25°C)
Detected: 1200 UMHO/CM
8/14/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 19 NG/L (ppt)
10/22/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 43 NG/L (ppt)
10/22/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 27 NG/L (ppt)
10/22/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 6.5 NG/L (ppt)
10/22/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 8.1 NG/L (ppt)
10/22/2025
Perfluorobutanoicacid (PFBA)
Detected: 12 NG/L (ppt)
10/22/2025
Perfluoropentanoicacid (PFPEA)
Detected: 6.2 NG/L (ppt)
10/22/2025
Perfluoropentanesulfonicacid (PFPES)
Detected: 7.9 NG/L (ppt)
10/22/2025
Radium-226
Detected: 1.94 PCI/L
8/27/2025
Radium-228
Detected: 1.39 PCI/L
8/27/2025
Combined Radium (-226 & -228)
Detected: 3.33 PCI/L
8/27/2025
A naturally occurring radioactive element found in some groundwater.
Perchlorate
Detected: 0.56 UG/L (ppb)
2/28/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
Cyanide
Detected: 27 UG/L (ppb)
3/31/2025
Color
Detected: 10 UNITS
10/21/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 5.1 NG/L (ppt)
6/26/2025
Perfluorononanoicacid (PFNA)
Detected: 20 NG/L (ppt)
6/26/2025
Perfluoroundecanoicacid (PFUNA)
Detected: 5 NG/L (ppt)
6/26/2025
Perfluorooctanesulfonicacid6:2fts
Detected: 45 NG/L (ppt)
6/26/2025
Perfluorodecanesulfonicacid8:2fts
Detected: 9 NG/L (ppt)
6/26/2025
Perfluoroheptanesulfonicacid (PFHPS)
Detected: 3.3 NG/L (ppt)
6/26/2025
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.