REDLANDS is served by 1 water provider on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for REDLANDS, CA
1 water provider on file serving this city.
Quick answer: REDLANDS's water has no violations on file and no single reading stands out against its peers (1 other providers in this area). It serves roughly 78,025 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lithium
PFHXS
PFOS
PFOA
Aggressive Index
Magnesium
Potassium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Fluoride
Nitrate
Nitrate-Nitrite
Perfluorobutanesulfonicacid (PFBS)
Perfluoroheptanoicacid (PFHPA)
Perfluorohexanesulfonicacid (PFHxS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluorobutanoicacid (PFBA)
Perfluoropentanoicacid (PFPEA)
Turbidity
Radon
Gross Alpha Particle Activity
Gross Beta Particle Activity
pH
Odor
Iron
Chromium, Hex
Conductivity (at 25°C)
Carbon, Total
TTHM
Totalhaloaceticacids (HAA5)
Chloroform
Bromodichloromethane
Dibromochloromethane
Bromoform
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Perchlorate
Temperature (CENTIGRADE)
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0029 mg/L (ppm)
12/31/2023
Iron
Detected: 21 UG/L (ppb)
8/14/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Chromium, Hex
Detected: 0.24 UG/L (ppb)
8/14/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 15 UG/L (ppb)
9/3/2025
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.
Totalhaloaceticacids (HAA5)
Detected: 4.4 UG/L (ppb)
9/3/2025
Chloroform
Detected: 5.7 UG/L (ppb)
9/3/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 3.8 UG/L (ppb)
9/3/2025
Dibromochloromethane
Detected: 3.8 UG/L (ppb)
9/3/2025
Bromoform
Detected: 1.6 UG/L (ppb)
9/3/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 4.9 MG/L (ppm)
8/14/2025
Sulfate
Detected: 25 MG/L (ppm)
8/14/2025
Fluoride
Detected: 0.73 MG/L (ppm)
8/14/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate
Detected: 2.168 MG/L (ppm)
9/30/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Nitrate-Nitrite
Detected: 1 MG/L (ppm)
8/14/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 6.7 MG/L (ppm)
10/16/2025
Potassium
Detected: 1.7 MG/L (ppm)
10/16/2025
Sodium
Detected: 19 MG/L (ppm)
10/16/2025
Calcium
Detected: 30 MG/L (ppm)
10/16/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 160 MG/L (ppm)
8/13/2025
Gross Alpha Particle Activity
Detected: 1.75 PCI/L
8/14/2025
pH
Detected: 8.2 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
Lithium
Detected: 15 µg/L (ppb)
5/8/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFHXS
Detected: 0.0048 µg/L (ppb)
2/7/2024
PFOS
Detected: 0.0058 µg/L (ppb)
2/7/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOA
Detected: 0.004 µg/L (ppb)
2/7/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 97 MG/L (ppm)
10/16/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 12 AGGR
10/16/2025
Alkalinity, Total
Detected: 97 MG/L (ppm)
10/16/2025
TDS
Detected: 220 MG/L (ppm)
8/14/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 4.2 NG/L (ppt)
8/20/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 0.86 NG/L (ppt)
4/15/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 1 NG/L (ppt)
4/15/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 2.7 NG/L (ppt)
8/20/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 2.5 NG/L (ppt)
8/20/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 2.1 NG/L (ppt)
8/20/2025
Perfluorobutanoicacid (PFBA)
Detected: 1.2 NG/L (ppt)
4/15/2025
Perfluoropentanoicacid (PFPEA)
Detected: 2.3 NG/L (ppt)
8/20/2025
Turbidity
Detected: 0.45 NTU
8/14/2025
A measure of water cloudiness from suspended particles.
Radon
Detected: 646 PCI/L
8/13/2025
Gross Beta Particle Activity
Detected: 3.26 PCI/L
8/13/2025
Odor
Detected: 1 TON
8/14/2025
Conductivity (at 25°C)
Detected: 350 UMHO/CM
8/14/2025
Carbon, Total
Detected: 3.3 MG/L (ppm)
7/30/2025
Dichloroaceticacid
Detected: 2.5 UG/L (ppb)
9/3/2025
Trichloroaceticacid
Detected: 1.9 UG/L (ppb)
9/3/2025
Dibromoaceticacid
Detected: 1.1 UG/L (ppb)
2/6/2025
Perchlorate
Detected: 1.151 UG/L (ppb)
9/23/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
Temperature (CENTIGRADE)
Detected: 18 C
10/16/2025
Filtration considerations: General system types, not a specific product recommendation.