What's in LAS MARIAS's water?
LAS MARIAS 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: 7,193, over 2,694 connections.
LAS MARIAS's record against the rest of the country
115 total violations and 24 health-based ones put LAS MARIAS at the 94th percentile nationally for violation burden, rank 725 of 12,903.
How LAS MARIAS compares within PR
PR's 103 covered systems average 46.1 health-based violations each; LAS MARIAS carries 24, not more than typical for the state. 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 LAS MARIAS is from 2023-01-05 (health-based: 2023-01-05). Last reported to EPA: 06/05/2026.
What kind of problem, specifically
LAS MARIAS'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); Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM
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
LAS MARIAS'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 - 24 health-based violations on file for LAS MARIAS - 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.