COUNTY WATER-SYSTEM LEDGER
Larimer, Colorado
EPA’s September 2026 export lists 12 active community water systems serving Larimer, Colorado, with 2 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Larimer, Colorado
EPA associates 12 covered systems with Larimer, Colorado; their reported population-served values total 470,541 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Ft Collins City OfCO0135291 | 179,901 | Surface water | No current violation flagged |
| Loveland City OfCO0135485 | 91,077 | Surface water | No current violation flagged |
| Ft Collins Loveland WdCO0135292 | 63,532 | Surface water purchased | No current violation flagged |
| East Larimer County WdCO0135233 | 27,944 | Surface water purchased | Current monitoring/reporting flag |
| Csu Main And West Housing CampusCO0235184 | 27,375 | Surface water purchased | No current violation flagged |
| Little Thompson WdCO0135477 | 25,654 | Surface water purchased | No current violation flagged |
| Estes Park Town OfCO0135257 | 16,722 | Surface water | No current violation flagged |
| Berthoud Town OfCO0135138 | 14,211 | Surface water | No current violation flagged |
| Wellington Town OfCO0135838 | 11,720 | Surface water | No current violation flagged |
| Northern Colorado WaCO0135554 | 4,675 | Surface water purchased | No current violation flagged |
| West Fort Collins WdCO0135290 | 4,000 | Surface water purchased | No current violation flagged |
| Ymca Rockies Wind RiverCO0135883 | 3,730 | Surface water purchased | Current monitoring/reporting flag |
02 / SOURCE MIX
Primary water sources for Larimer, Colorado
EPA classifies 12 systems serving Larimer, Colorado across 2 primary-source categories; Surface water is the largest category with 5 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.