DrinkingWaterCheck

What's in MONTEREY PARK-CITY, WATER DEPT.'s water?

MONTEREY PARK-CITY, WATER DEPT. has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. Population served: 62,183, over 13,321 connections.

MONTEREY PARK-CITY, WATER DEPT.'s record against the rest of the country

4 total violations and 1 health-based ones put MONTEREY PARK-CITY, WATER DEPT. at the 32th percentile nationally for violation burden, rank 8,804 of 12,903.

How MONTEREY PARK-CITY, WATER DEPT. compares within CA

MONTEREY PARK-CITY, WATER DEPT.'s 1 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for MONTEREY PARK-CITY, WATER DEPT. is from 2025-05-10 (health-based: 2025-05-10). Last reported to EPA: 06/22/2026.

What kind of problem, specifically

MONTEREY PARK-CITY, WATER DEPT.'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:

The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.

What this data is and is not

MONTEREY PARK-CITY, WATER DEPT.'s numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 4 logged violations can see. The guide to what this data misses covers that gap.