What's in COTTONWOOD WSD's water?

COTTONWOOD WSD's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 10,867, over 2,362 connections.

How this compares nationally

47 total violations and 0 health-based ones put COTTONWOOD WSD at the 25th percentile nationally for violation burden, rank 9,624 of 12,903.

Against the CO average

Among the 230 CO systems in this dataset, the average is 3.0 health-based violations - COTTONWOOD WSD's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

COTTONWOOD WSD's most recent violation on record is dated 2026-12-03. Last reported to EPA: 06/17/2026.

What COTTONWOOD WSD's record does not cover

COTTONWOOD WSD'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. This record - 0 health-based violations on file for COTTONWOOD WSD - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.