Serving roughly 36,827 people in Riverside County, California.
Data current as of July 2026
🔍Straight from EPA
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Results for RUBIDOUX COMMUNITY SD
1 water provider directly on file, serving roughly 36,827 people in Riverside County, California.
Quick answer: RUBIDOUX COMMUNITY SD has no violation currently counted toward its compliance status. EPA's record shows a Fluoride violation dating to 05/01/1986 (40 years ago) — because it's more than five years past its deadline, EPA's policy no longer treats it as part of this system's current standing, though it remains on the public record.
Lead Summary
PFPEA
PFBA
PFHXA
Perfluorobutanesulfonicacid (PFBS)
Perfluoroheptanoicacid (PFHPA)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluorobutanoicacid (PFBA)
Perfluoropentanoicacid (PFPEA)
Nitrate
Perchlorate
TDS
Perfluorohexanesulfonicacid (PFHxS)
Perfluorononanoicacid (PFNA)
Utility RUBIDOUX COMMUNITY SDPopulation served 36,827Owner Local government
Older violation on record
Violations on file
Fluoride
Older/archived health-based violation
Found at 1 of 1 provider
Often added deliberately for dental health; can also occur naturally.
Nitrate
Older/archived health-based violation
Found at 1 of 1 provider
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0016 mg/L (ppm)
12/31/2023
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 9.4 MG/L (ppm)
10/27/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFPEA
Detected: 0.011 µg/L (ppb)
2/14/2024
PFBA
Detected: 0.0065 µg/L (ppb)
3/22/2024
PFHXA
Detected: 0.0082 µg/L (ppb)
8/9/2023
Other
Additional substances tested that don't fit neatly into the categories above
Perfluorobutanesulfonicacid (PFBS)
Detected: 2.9 NG/L (ppt)
10/15/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 2.7 NG/L (ppt)
9/15/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 2.2 NG/L (ppt)
3/4/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 2.2 NG/L (ppt)
9/15/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 9.9 NG/L (ppt)
10/15/2025
Perfluorobutanoicacid (PFBA)
Detected: 17 NG/L (ppt)
10/15/2025
Perfluoropentanoicacid (PFPEA)
Detected: 38 NG/L (ppt)
10/15/2025
Perchlorate
Detected: 1.6 UG/L (ppb)
9/2/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
TDS
Detected: 510 MG/L (ppm)
10/1/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 11 NG/L (ppt)
3/4/2025
Perfluorononanoicacid (PFNA)
Detected: 2.4 NG/L (ppt)
3/4/2025
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.