Phillips County, Colorado — public water systems
At a glance
4 active public water systems are filed under Phillips County, Colorado in EPA's SDWIS records, together reporting 3,593 people served. The largest is City of Holyoke, which reports serving 2,540 people. 3 are community water systems serving people where they live; the other 1 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
4
Population served
3.6K
Community systems
3
Groundwater share
100%
How does Phillips County compare with other Colorado counties?
Phillips County has the 61st-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 3,593 people served in total, the 53rd-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 898 people, well 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 Phillips County's drinking water come from?
By primary water source, Phillips County's active systems draw on groundwater (4, 100%). 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 Holyoke, draws primarily on groundwater.
What kinds of water systems operate in Phillips County?
Phillips County's active systems break down as 3 community systems (75%) and 1 transient non-community systems (25%). 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 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 (75%) and private (25%).
Water systems in Phillips County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Holyoke City of | Phillips | 2,540 | Community | Groundwater |
| 2 | Haxtun Town of | Phillips | 963 | Community | Groundwater |
| 3 | Blisties | Phillips | 48 | Transient non-community | Groundwater |
| 4 | Paoli Town of | Phillips | 42 | Community | Groundwater |
Phillips County water systems: frequently asked questions
How many public water systems are in Phillips County, Colorado?
EPA's SDWIS records file 4 active public water systems under Phillips County, Colorado: 3 community systems (75%) and 1 transient non-community systems (25%).
Who supplies drinking water in Phillips County, CO?
The largest community water systems filed under Phillips County are City of Holyoke (2,540 people served), Town of Haxtun (963 people served) and Town of Paoli (42 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 Phillips County's drinking water come from groundwater or surface water?
Of the 4 active public water systems in Phillips County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Holyoke, uses groundwater.
Where can I find a water quality report for Phillips 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. 3 community systems are filed under Phillips 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 Phillips 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
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 Phillips County, Colorado”, https://aquacensus.com/water-systems/colorado/phillips (data as of October 1, 2026).