Marshall County, Indiana — public water systems
At a glance
87 active public water systems are filed under Marshall County, Indiana in EPA's SDWIS records, together reporting 38,447 people served. The largest is Plymouth Water Department, which reports serving 10,241 people. 12 are community water systems serving people where they live; the other 75 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
87
Population served
38.4K
Community systems
12
Groundwater share
100%
How does Marshall County compare with other Indiana counties?
Marshall County has the 11th-most active public water systems among the 109 counties listed for active Indiana systems in EPA records; among the 92 with 3 or more systems, the median has 26. Its systems report 38,447 people served in total, the 33rd-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 442 people, well below the Indiana average of 1,456. 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 Marshall County's drinking water come from?
By primary water source, Marshall County's active systems draw on groundwater (87, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 97% and 2.8% across Indiana. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Plymouth Water Department, draws primarily on groundwater.
What kinds of water systems operate in Marshall County?
Marshall County's active systems break down as 12 community systems (14%), 10 non-transient non-community systems (11%) and 65 transient non-community systems (75%). 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 (91%), local government (8%) and federal government (1.1%).
The 50 largest water systems in Marshall County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Plymouth Water Department | Marshall | 10,241 | Community | Groundwater |
| 2 | Bremen Water Department | Marshall | 4,516 | Community | Groundwater |
| 3 | Jellystone Park #1 | Marshall | 2,410 | Transient non-community | Groundwater |
| 4 | Culver Educational Foundation | Marshall | 1,940 | Community | Groundwater |
| 5 | Bourbon Water Department | Marshall | 1,767 | Community | Groundwater |
| 6 | Argos Municipal Water Plant | Marshall | 1,680 | Community | Groundwater |
| 7 | Arbys Restaurant & Convenient Store 6375 | Marshall | 1,667 | Transient non-community | Groundwater |
| 8 | Culver Water Department | Marshall | 1,391 | Community | Groundwater |
| 9 | Pla-Mor Campground, Inc.. | Marshall | 1,250 | Transient non-community | Groundwater |
| 10 | Speedway Super America #8310 | Marshall | 1,000 | Transient non-community | Groundwater |
| 11 | Pilot Travel Center #198 | Marshall | 820 | Transient non-community | Groundwater |
| 12 | Culver Educational Foundation/Woodcraft | Marshall | 800 | Transient non-community | Groundwater |
| 13 | Swan Lake Golf Resort- Motel/Conference | Marshall | 745 | Non-transient non-community | Groundwater |
| 14 | Plymouth Wesleyan Church | Marshall | 707 | Non-transient non-community | Groundwater |
| 15 | Ancilla Domini (Convent) | Marshall | 680 | Community | Groundwater |
| 16 | Laville Elementary School | Marshall | 650 | Non-transient non-community | Groundwater |
| 17 | Mcdonalds Restaurant #12348 (La Paz) | Marshall | 350 | Transient non-community | Groundwater |
| 18 | The Wooded Knot | Marshall | 299 | Transient non-community | Groundwater |
| 19 | Pretty Lake Golf Club | Marshall | 280 | Non-transient non-community | Groundwater |
| 20 | Dollar General Store #10756 | Marshall | 240 | Transient non-community | Groundwater |
| 21 | Woodbury Golf Course - Clubhouse | Marshall | 207 | Transient non-community | Groundwater |
| 22 | Gatewood Estates | Marshall | 202 | Community | Groundwater |
| 23 | Ruperts Resort Lakefront | Marshall | 200 | Transient non-community | Groundwater |
| 24 | Ruperts Resort Campground | Marshall | 200 | Transient non-community | Groundwater |
| 25 | Swan Lake Golf Resort - Pro Shop | Marshall | 200 | Transient non-community | Groundwater |
| 26 | Cornerstone Community Fellowship | Marshall | 200 | Transient non-community | Groundwater |
| 27 | Sandy Ridge Mennonite Church | Marshall | 175 | Transient non-community | Groundwater |
| 28 | Bremen Missionary Church | Marshall | 143 | Transient non-community | Groundwater |
| 29 | Shiloh Wesleyan Church | Marshall | 139 | Transient non-community | Groundwater |
| 30 | La Paz Diner | Marshall | 110 | Transient non-community | Groundwater |
| 31 | Biddle Point Inn | Marshall | 102 | Transient non-community | Groundwater |
| 32 | Grace Outreach Fellowship - New | Marshall | 100 | Transient non-community | Groundwater |
| 33 | House of Prayer | Marshall | 100 | Transient non-community | Groundwater |
| 34 | Potawatomi Park Pavillion | Marshall | 99 | Transient non-community | Groundwater |
| 35 | Argos Church of Jesus Christ | Marshall | 99 | Transient non-community | Groundwater |
| 36 | Plymouth Kingdom Hall | Marshall | 99 | Transient non-community | Groundwater |
| 37 | Walnut Church | Marshall | 91 | Transient non-community | Groundwater |
| 38 | Pretty Lake Umc (Fellowship Hall) | Marshall | 90 | Transient non-community | Groundwater |
| 39 | Plymouth Community Church | Marshall | 90 | Transient non-community | Groundwater |
| 40 | House of the Lord | Marshall | 89 | Non-transient non-community | Groundwater |
| 41 | Pretty View Condominium Owners Assoc | Marshall | 85 | Community | Groundwater |
| 42 | Immanuel Lutheran Church | Marshall | 85 | Transient non-community | Groundwater |
| 43 | Bremen Church of God | Marshall | 83 | Transient non-community | Groundwater |
| 44 | Riverview Community Church | Marshall | 80 | Transient non-community | Groundwater |
| 45 | Dutchmaid Eatery & Gifts | Marshall | 80 | Transient non-community | Groundwater |
| 46 | Blissville Community Church | Marshall | 74 | Transient non-community | Groundwater |
| 47 | Creekside Manor MHP | Marshall | 73 | Community | Groundwater |
| 48 | Church of Jesus Christ Latter Day Saints | Marshall | 70 | Transient non-community | Groundwater |
| 49 | The Country Church | Marshall | 66 | Transient non-community | Groundwater |
| 50 | Swan Lake Golf Resort - Golf Academy | Marshall | 65 | Transient non-community | Groundwater |
All other water systems in Marshall County (37)
The remaining active systems filed under Marshall County, largest first, with the population each reports serving.
- Ayr Custom Cabinetry Inc..60
- Cornerstone Church60
- Tri-Way Theater60
- Pretty Lake Trinity Umc (Church)60
- Borkholder Building60
- Tyner Methodist Church52
- Burlington Amish School51
- Plymouth Bapt Church50
- Inwood Estates50
- Swan Lake Resort-W. Course Restroom50
- Elks Lodge50
- Bane-Welker Equipment45
- Campers Roost Campground45
- Borkholder Parochial Amish School44
- Marshall County Remc43
- Marshall County Highway Department43
- Dausman Prairie Amish School41
- Sellers Service Inc.40
- Digger Specialties Corporate Office40
- Rentown Variety Store40
- Hensley Fabricating & Equipment40
- Bourbon Travel Plaza40
- Rolling Meadow Amish School36
- Hidden Lake Paradise Campground36
- Key Waste in Partnership (Allied Waste)36
- Luz De Vida35
- Queen Road Mobile Home Park32
- Creek Side Amish School31
- American Legion Post 38531
- Whispering Knoll Amish School30
- Evangelical Covenant Church30
- Culver Marina30
- Potawatomi Wildlife Park28
- Sandy Ridge Amish School28
- Tender Loving Care Center25
- Biddle Point - Event/Restaurant Building25
- Lakeside Campground (House)21
Marshall County water systems: frequently asked questions
How many public water systems are in Marshall County, Indiana?
EPA's SDWIS records file 87 active public water systems under Marshall County, Indiana: 12 community systems (14%), 10 non-transient non-community systems (11%) and 65 transient non-community systems (75%).
Who supplies drinking water in Marshall County, IN?
The largest community water systems filed under Marshall County are Plymouth Water Department (10,241 people served), Bremen Water Department (4,516 people served) and Culver Educational Foundation (1,940 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 Marshall County's drinking water come from groundwater or surface water?
Of the 87 active public water systems in Marshall County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Plymouth Water Department, uses groundwater.
Where can I find a water quality report for Marshall 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. 12 community systems are filed under Marshall 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 Marshall 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 Indiana 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 Marshall County, Indiana”, https://aquacensus.com/water-systems/indiana/marshall (data as of October 1, 2026).