Logan County, Colorado — public water systems
At a glance
13 active public water systems are filed under Logan County, Colorado in EPA's SDWIS records, together reporting 17,903 people served. The largest is City of Sterling, which reports serving 15,100 people. 8 are community water systems serving people where they live; the other 5 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
13
Population served
17.9K
Community systems
8
Groundwater share
100%
How does Logan County compare with other Colorado counties?
Logan County has the 44th-most active public water systems among the 113 counties listed for active Colorado systems in EPA records; among the 65 with 3 or more systems, the median has 18. Its systems report 17,903 people served in total, the 32nd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 1,377 people, about 59% below the Colorado average of 3,400. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Logan County's drinking water come from?
By primary water source, Logan County's active systems draw on groundwater (12, 92%) and groundwater under influence of surface water (1, 7.7%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 74% and 26% across Colorado. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Sterling, draws primarily on groundwater under influence of surface water.
What kinds of water systems operate in Logan County?
Logan County's active systems break down as 8 community systems (62%), 1 non-transient non-community systems (7.7%) and 4 transient non-community systems (31%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as local government (62%), private (23%) and state government (15%).
Water systems in Logan County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Sterling City of | Logan | 15,100 | Community | Groundwater under influence of surface water |
| 2 | Fleming Town of | Logan | 446 | Community | Groundwater |
| 3 | Reata Travel Stop - Crook | Logan | 415 | Transient non-community | Groundwater |
| 4 | Caliche School | Logan | 350 | Non-transient non-community | Groundwater |
| 5 | Iliff Town of | Logan | 328 | Community | Groundwater |
| 6 | Peetz Town of | Logan | 295 | Community | Groundwater |
| 7 | Merino Town of | Logan | 235 | Community | Groundwater |
| 8 | Sage Pointe Hoa | Logan | 194 | Community | Groundwater |
| 9 | Crook Town of | Logan | 182 | Community | Groundwater |
| 10 | Sky Ranch Golf | Logan | 144 | Transient non-community | Groundwater |
| 11 | North Sterling Res Sp South | Logan | 135 | Transient non-community | Groundwater |
| 12 | North Sterling Res Sp North | Logan | 50 | Transient non-community | Groundwater |
| 13 | Sunnyslope Homeowners | Logan | 29 | Community | Groundwater |
Logan County water systems: frequently asked questions
How many public water systems are in Logan County, Colorado?
EPA's SDWIS records file 13 active public water systems under Logan County, Colorado: 8 community systems (62%), 1 non-transient non-community systems (7.7%) and 4 transient non-community systems (31%).
Who supplies drinking water in Logan County, CO?
The largest community water systems filed under Logan County are City of Sterling (15,100 people served), Town of Fleming (446 people served) and Town of Iliff (328 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Logan County's drinking water come from groundwater or surface water?
Of the 13 active public water systems in Logan County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Sterling, uses groundwater under influence of surface water.
Where can I find a water quality report for Logan County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 8 community systems are filed under Logan County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Logan County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Colorado water systems
- All Colorado public water systems· 2,207 active
- Hinsdale County· 14 systems
- Mineral County· 14 systems
- Huerfano County· 13 systems
- Jackson County· 13 systems
- Costilla County· 12 systems
- Yuma County· 11 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Logan County, Colorado”, https://aquacensus.com/water-systems/colorado/logan (data as of October 1, 2026).