DrinkingWaterCheck

DOUGLAS COUNTY CARSON VALLEY SYSTEM: EPA violation history, explained

DOUGLAS COUNTY CARSON VALLEY SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 6,488 people get their water from it, across 3,133 connections.

Ranked against every other system in this dataset

DOUGLAS COUNTY CARSON VALLEY SYSTEM has 20 violations on record in total, 8 of thems health-based - ranking it 2,428th of 12,903 systems by violation count, the 81th percentile nationally.

Against the NV average

Among the 42 NV systems in this dataset, the average is 5.1 health-based violations - DOUGLAS COUNTY CARSON VALLEY SYSTEM's 8 is above that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

DOUGLAS COUNTY CARSON VALLEY SYSTEM's most recent violation on record is dated 2010-01-12, with the most recent health-based one dated 2010-01-12. Last reported to EPA: 06/17/2026.

The concern categories on record

DOUGLAS COUNTY CARSON VALLEY SYSTEM'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 microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.

What DOUGLAS COUNTY CARSON VALLEY SYSTEM's record does not cover

Everything on this page is DOUGLAS COUNTY CARSON VALLEY SYSTEM'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 20 logged violations can see. The guide to what this data misses covers that gap.