Is WASHINGTON SUBURBAN SANITARY COMMISSION's water safe to drink?

WASHINGTON SUBURBAN SANITARY COMMISSION's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 1,900,000, over 438,639 connections.

Ranked against every other system in this dataset

WASHINGTON SUBURBAN SANITARY COMMISSION has 2 violations on record in total, 0 of thems health-based - ranking it 11,851th of 12,903 systems by violation count, the 8th percentile nationally.

How WASHINGTON SUBURBAN SANITARY COMMISSION compares within MD

Among the 93 MD systems in this dataset, the average is 3.3 health-based violations - WASHINGTON SUBURBAN SANITARY COMMISSION's 0 is at or below that. 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 WASHINGTON SUBURBAN SANITARY COMMISSION is from 2007-01-01. Last reported to EPA: 05/18/2026.

What this data is and is not

WASHINGTON SUBURBAN SANITARY COMMISSION'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. Between the utility's meter and WASHINGTON SUBURBAN SANITARY COMMISSION's customers' taps is household plumbing, invisible to a system-level record ranked 11,851th of 12,903 by violation count. The guide to what this data misses covers that gap.