Is Commonwealth Utilities Corp (Saipan)'s water safe to drink?
Commonwealth Utilities Corp (Saipan) had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 48,524, over 11,317 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, Commonwealth Utilities Corp (Saipan) ranks 330th by violation burden (97th percentile) - 65 violations total, 44 health-baseds.
How Commonwealth Utilities Corp (Saipan) compares within MP
Among the 4 MP systems in this dataset, the average is 13.3 health-based violations - Commonwealth Utilities Corp (Saipan)'s 44 is above 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 Commonwealth Utilities Corp (Saipan) is from 2023-01-11 (health-based: 2023-01-11). Last reported to EPA: 06/08/2026.
What kind of problem, specifically
Commonwealth Utilities Corp (Saipan)'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); Groundwater Rule; Revised Total Coliform Rule
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 Commonwealth Utilities Corp (Saipan)'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 65 logged violations can see. The guide to what this data misses covers that gap.