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Phelps County, Missouri — public water systems

At a glance

32 active public water systems are filed under Phelps County, Missouri in EPA's SDWIS records, together reporting 30,428 people served. The largest is Rolla Pws, which reports serving 20,800 people. 15 are community water systems serving people where they live; the other 17 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

32

Population served

30.4K

Community systems

15

Groundwater share

100%

How does Phelps County compare with other Missouri counties?

Phelps County has the 21st-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 30,428 people served in total, the 31st-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 951 people, about half of the Missouri average of 2,049. 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 Phelps County's drinking water come from?

By primary water source, Phelps County's active systems draw on groundwater (32, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 8.1% across Missouri. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Rolla Pws, draws primarily on groundwater.

What kinds of water systems operate in Phelps County?

Phelps County's active systems break down as 15 community systems (47%), 2 non-transient non-community systems (6.3%) and 15 transient non-community systems (47%). 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 (75%), local government (19%), federal government (3.1%) and state government (3.1%).

Water systems in Phelps County

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Active public water systems in Phelps County, Missouri
#Water systemCountyPopulation servedTypeSource
1Rolla PwsPhelps20,800CommunityGroundwater
2St James PwsPhelps3,935CommunityGroundwater
3Phelps County Pwsd 2 SouthPhelps1,768CommunityGroundwater
4Phelps County Pwsd 1Phelps800CommunityGroundwater
5Phelps County Pwsd 2 NorthPhelps523CommunityGroundwater
6Newburg PwsPhelps324CommunityGroundwater
7Phelps Connections for SeniorsPhelps300Transient non-communityGroundwater
8Stuckeys DoolittlePhelps200Transient non-communityGroundwater
9KvcPhelps200CommunityGroundwater
10Gladlo Water & Sewer Inc.Phelps182CommunityGroundwater
11Lakeside Community Inc.Phelps160CommunityGroundwater
12Inknowvations AcademyPhelps150Non-transient non-communityGroundwater
13Randys Roadkill Bbq & GrillPhelps120Transient non-communityGroundwater
14Twmp LLCPhelps100CommunityGroundwater
15Sugar Tree ClubPhelps100Transient non-communityGroundwater
16Stately Mansion Mobile VillaPhelps100CommunityGroundwater
17The James FoundationPhelps100Transient non-communityGroundwater
18Lakeside Estates SubdPhelps82CommunityGroundwater
19Little Prairie Bible CampPhelps75Transient non-communityGroundwater
20Meramec Springs Country StorePhelps50Transient non-communityGroundwater
21Shady Lane Trailer ParkPhelps48CommunityGroundwater
22The Country CafePhelps45Transient non-communityGroundwater
23Ferndale Residential Care IiPhelps31CommunityGroundwater
24Alta Vista Mobile VillaPhelps30CommunityGroundwater
25S&T MinePhelps30Non-transient non-communityGroundwater
26Spencer Manor Vineyards and WineryPhelps25Transient non-communityGroundwater
27Eagles Landing WineryPhelps25Transient non-communityGroundwater
28Pheasant Acres Rv Park LLCPhelps25Transient non-communityGroundwater
29Grace Church RollaPhelps25Transient non-communityGroundwater
30Usfs Lane Spring Recreation AreaPhelps25Transient non-communityGroundwater
31Camp Elim Rv ParkPhelps25Transient non-communityGroundwater
32Doolittle Acres Rv Park & CampgroundPhelps25Transient non-communityGroundwater

Phelps County water systems: frequently asked questions

How many public water systems are in Phelps County, Missouri?

EPA's SDWIS records file 32 active public water systems under Phelps County, Missouri: 15 community systems (47%), 2 non-transient non-community systems (6.3%) and 15 transient non-community systems (47%).

Who supplies drinking water in Phelps County, MO?

The largest community water systems filed under Phelps County are Rolla Pws (20,800 people served), St James Pws (3,935 people served) and Phelps County Pwsd 2 South (1,768 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 Phelps County's drinking water come from groundwater or surface water?

Of the 32 active public water systems in Phelps County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Rolla Pws, uses groundwater.

Where can I find a water quality report for Phelps 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. 15 community systems are filed under Phelps 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 Phelps 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 Missouri 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 Phelps County, Missouri”, https://aquacensus.com/water-systems/missouri/phelps (data as of October 1, 2026).