Is DCWA KNIGHTSVILLE (SC1820001)'s water safe to drink?
DCWA KNIGHTSVILLE (SC1820001) has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 40,141 people get their water from it, across 14,532 connections.
How this compares nationally
DCWA KNIGHTSVILLE (SC1820001) has 5 violations on record in total, 3 of thems health-based - ranking it 5,523th of 12,903 systems by violation count, the 57th percentile nationally.
Against the SC average
Among the 198 SC systems in this dataset, the average is 3.8 health-based violations - DCWA KNIGHTSVILLE (SC1820001)'s 3 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
DCWA KNIGHTSVILLE (SC1820001)'s most recent violation on record is dated 2010-01-05, with the most recent health-based one dated 2010-01-05. Last reported to EPA: 06/29/2026.
The concern categories on record
DCWA KNIGHTSVILLE (SC1820001)'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 DCWA KNIGHTSVILLE (SC1820001)'s record does not cover
Everything on this page is DCWA KNIGHTSVILLE (SC1820001)'s own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and DCWA KNIGHTSVILLE (SC1820001)'s customers' taps is household plumbing, invisible to a system-level record ranked 5,523th of 12,903 by violation count. The guide to what this data misses covers that gap.