What's in NORTH COLLIN SUD's water?
NORTH COLLIN SUD 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: 10,716, over 3,572 connections.
Ranked against every other system in this dataset
NORTH COLLIN SUD has 15 violations on record in total, 1 of them health-based - ranking it 7,964th of 12,903 systems by violation count, the 38th percentile nationally.
How NORTH COLLIN SUD compares within TX
TX's 1,633 covered systems average 6.7 health-based violations each; NORTH COLLIN SUD carries 1, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for NORTH COLLIN SUD is from 2026-12-05 (health-based: 2026-12-05). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
NORTH COLLIN SUD'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: 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
This is what NORTH COLLIN SUD reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and NORTH COLLIN SUD's customers' taps is household plumbing, invisible to a system-level record ranked 7,964th of 12,903 by violation count. The guide to what this data misses covers that gap.