Hydrohistorian
People served
20,975
Service connections
7,368
Primary source
Surface water
Owner
Local government
Counties served
Boulder
Water district
Boundary traced from IRE. About 25 km².
Where the water comes from
| Facility | Kind | Water |
|---|---|---|
| MARSHALL LAKE | Intake | Surface water |
| LOUISVILLE RESERVOIR | Intake | Surface water |
These are EPA's facility records, not DWR structures. Which decreed rights sit behind an intake is the next phase; nothing here is inferred.
The record
EPA SDWIS federal reporting as of 2026-09-08; violations and compliance history are on the ECHO report. Report a problem →