What's in TIGARD, CITY OF's water?

TIGARD, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 62,500, over 20,500 connections.

TIGARD, CITY OF's record against the rest of the country

TIGARD, CITY OF has 20 violations on record in total, 1 of them health-based - ranking it 7,822th of 12,903 systems by violation count, the 39th percentile nationally.

How TIGARD, CITY OF compares within OR

Among the 160 OR systems in this dataset, the average is 6.0 health-based violations - TIGARD, CITY OF's 1 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for TIGARD, CITY OF is from 2025-01-01 (health-based: 2012-01-11). Last reported to EPA: 06/26/2026.

What kind of problem, specifically

TIGARD, CITY OF'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)

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 this data is and is not

Everything on this page is TIGARD, CITY OF'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.