Carlisle Water Supply, IA Water Quality
Is Carlisle Water Supply's water safe to drink?
Carlisle Water Supply's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 4,170 people through 1,850 service connections.
Carlisle Water Supply's record against the rest of the country
11 total violations and 0 health-based ones put Carlisle Water Supply at the 19th percentile nationally for violation burden, rank 10,411 of 12,903.
Against the IA average
IA's 203 covered systems average 3.5 health-based violations each; Carlisle Water Supply carries 0, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
Carlisle Water Supply's most recent violation on record is dated 2023-12-07. Last reported to EPA: 06/17/2026.
What Carlisle Water Supply's record does not cover
Everything on this page is Carlisle Water Supply'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 Carlisle Water Supply's customers' taps is household plumbing, invisible to a system-level record ranked 10,411th of 12,903 by violation count. The guide to what this data misses covers that gap.