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Converse County, Wyoming — public water systems

At a glance

19 active public water systems are filed under Converse County, Wyoming in EPA's SDWIS records, together reporting 14,359 people served. The largest is City of Douglas, which reports serving 6,400 people. 8 are community water systems serving people where they live; the other 11 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

19

Population served

14.4K

Community systems

8

Groundwater share

78.9%

How does Converse County compare with other Wyoming counties?

Converse County has the 16th-most active public water systems among the 33 counties listed for active Wyoming systems in EPA records; among the 23 with 3 or more systems, the median has 27. Its systems report 14,359 people served in total, the 13th-largest county figure in the state and 2.2% of the statewide total. The average system here reports serving 756 people, roughly in line with the Wyoming average of 838. 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 Converse County's drinking water come from?

By primary water source, Converse County's active systems draw on groundwater (15, 79%), purchased surface water (3, 16%) and surface water (1, 5.3%). Overall, 79% rely mainly on groundwater (including purchased groundwater) and 21% on surface water, compared with 83% and 17% across Wyoming. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Douglas, draws primarily on surface water.

What kinds of water systems operate in Converse County?

Converse County's active systems break down as 8 community systems (42%), 5 non-transient non-community systems (26%) and 6 transient non-community systems (32%). 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 private (58%), local government (26%), state government (11%) and public/private partnership (5.3%).

Water systems in Converse County

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Active public water systems in Converse County, Wyoming
#Water systemCountyPopulation servedTypeSource
1Douglas, City ofConverse6,400CommunitySurface water
2Glenrock, Town ofConverse2,466CommunityGroundwater
3Wydot-Orin Junction Rest AreaConverse1,900Transient non-communityGroundwater
4Navajo Trans Engr Co., LLC (Antelope)Converse550Non-transient non-communityGroundwater
5Broken Wheel Truck StopConverse540Non-transient non-communityGroundwater
6Lone Tree Village MHPConverse475CommunityPurchased surface water
7Rolling Hills, Town ofConverse450CommunityGroundwater
8Wy Dot-Cheyenne River RaConverse300Transient non-communityGroundwater
9Union Pacific RailroadConverse250Transient non-communityGroundwater
10Ridgewater Improvement DistrictConverse218CommunityPurchased surface water
11Dave Johnston Power PlantConverse201Non-transient non-communityGroundwater
12Douglas Koa Cg & Pine Meadows MHPConverse165CommunityGroundwater
13Fairway EstatesConverse135CommunityGroundwater
14Platte River CampgroundConverse78Transient non-communityGroundwater
15Travelodge By Wyndham Bill, WyConverse61Non-transient non-communityGroundwater
16Orin Junction Truck StopConverse50Transient non-communityGroundwater
17Sundance Meadows SpidConverse50CommunityPurchased surface water
18Power Resources Inc./Smith RanchConverse40Non-transient non-communityGroundwater
19Glenrock South Recreation ComplexConverse30Transient non-communityGroundwater

Converse County water systems: frequently asked questions

How many public water systems are in Converse County, Wyoming?

EPA's SDWIS records file 19 active public water systems under Converse County, Wyoming: 8 community systems (42%), 5 non-transient non-community systems (26%) and 6 transient non-community systems (32%).

Who supplies drinking water in Converse County, WY?

The largest community water systems filed under Converse County are City of Douglas (6,400 people served), Town of Glenrock (2,466 people served) and Lone Tree Village MHP (475 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 Converse County's drinking water come from groundwater or surface water?

Of the 19 active public water systems in Converse County, 79% draw mainly on groundwater and 21% on surface water, counting purchased supplies. The largest system, City of Douglas, uses surface water.

Where can I find a water quality report for Converse 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 Converse 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 Converse 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 Wyoming 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 Converse County, Wyoming”, https://aquacensus.com/water-systems/wyoming/converse (data as of October 1, 2026).