Is NOLENSVILLE-COLLEGE GROVE U.D.'s water safe to drink?
NOLENSVILLE-COLLEGE GROVE U.D. has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 34,159 people through 11,944 service connections.
NOLENSVILLE-COLLEGE GROVE U.D.'s record against the rest of the country
NOLENSVILLE-COLLEGE GROVE U.D. has 18 violations on record in total, 8 of thems health-based - ranking it 2,440th of 12,903 systems by violation count, the 81th percentile nationally.
How NOLENSVILLE-COLLEGE GROVE U.D. compares within TN
Among the 318 TN systems in this dataset, the average is 4.8 health-based violations - NOLENSVILLE-COLLEGE GROVE U.D.'s 8 is above that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for NOLENSVILLE-COLLEGE GROVE U.D. is from 2015-01-04 (health-based: 2015-01-04). Last reported to EPA: 05/14/2026.
What kind of problem, specifically
NOLENSVILLE-COLLEGE GROVE U.D.'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)
- 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
Everything on this page is NOLENSVILLE-COLLEGE GROVE U.D.'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 18 logged violations can see. The guide to what this data misses covers that gap.