What's in RIVERSIDE HIGHLAND WATER COMPANY's water?
RIVERSIDE HIGHLAND WATER COMPANY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 20,188 people through 6,656 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, RIVERSIDE HIGHLAND WATER COMPANY ranks 8,965th by violation burden (31th percentile) - 3 violations total, 1 health-based.
Against the CA average
CA's 803 covered systems average 5.8 health-based violations each; RIVERSIDE HIGHLAND WATER COMPANY carries 1, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
RIVERSIDE HIGHLAND WATER COMPANY's most recent violation on record is dated 2024-01-10, with the most recent health-based one dated 1998-01-05. Last reported to EPA: 06/22/2026.
The concern categories on record
RIVERSIDE HIGHLAND WATER COMPANY's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What RIVERSIDE HIGHLAND WATER COMPANY's record does not cover
Everything on this page is RIVERSIDE HIGHLAND WATER COMPANY's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 3 logged violations can see. The guide to what this data misses covers that gap.