What's in MOUNT KISCO WATER DEPARTMENT's water?
MOUNT KISCO WATER DEPARTMENT had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 11,187 people get their water from it, across 2,700 connections.
How this compares nationally
11 total violations and 5 health-based ones put MOUNT KISCO WATER DEPARTMENT at the 71th percentile nationally for violation burden, rank 3,727 of 12,903.
Against the NY average
Among the 443 NY systems in this dataset, the average is 4.1 health-based violations - MOUNT KISCO WATER DEPARTMENT's 5 is above that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
MOUNT KISCO WATER DEPARTMENT's most recent violation on record is dated 2024-01-11, with the most recent health-based one dated 2024-01-11. Last reported to EPA: 06/25/2026.
The concern categories on record
MOUNT KISCO WATER DEPARTMENT'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); Groundwater Rule; Surface Water Treatment Rule
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 MOUNT KISCO WATER DEPARTMENT's record does not cover
This is what MOUNT KISCO WATER DEPARTMENT reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 11 logged violations can see. The guide to what this data misses covers that gap.