Miami County, Indiana — public water systems
At a glance
68 active public water systems are filed under Miami County, Indiana in EPA's SDWIS records, together reporting 26,424 people served. The largest is Peru Water Department, which reports serving 11,417 people. 15 are community water systems serving people where they live; the other 53 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
68
Population served
26.4K
Community systems
15
Groundwater share
100%
How does Miami County compare with other Indiana counties?
Miami County has the 15th-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 26,424 people served in total, the 47th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 389 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 Miami County's drinking water come from?
By primary water source, Miami County's active systems draw on groundwater (68, 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, Peru Water Department, draws primarily on groundwater.
What kinds of water systems operate in Miami County?
Miami County's active systems break down as 15 community systems (22%), 9 non-transient non-community systems (13%) and 44 transient non-community systems (65%). 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 (81%), local government (10%), federal government (4.4%) and state government (4.4%).
The 50 largest water systems in Miami County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Peru Water Department | Miami | 11,417 | Community | Groundwater |
| 2 | Peru Utilities/Grissom | Miami | 2,500 | Community | Groundwater |
| 3 | Maconaquah School Corporation | Miami | 2,100 | Non-transient non-community | Groundwater |
| 4 | Converse Water Works | Miami | 1,265 | Community | Groundwater |
| 5 | Mississinewa Lake - Miami Campground | Miami | 1,000 | Transient non-community | Groundwater |
| 6 | Bunker Hill Water Works | Miami | 900 | Community | Groundwater |
| 7 | Mcclure Oil Corporation-Store #9 | Miami | 620 | Transient non-community | Groundwater |
| 8 | North Miami Elementary School | Miami | 600 | Non-transient non-community | Groundwater |
| 9 | North Miami High School | Miami | 501 | Non-transient non-community | Groundwater |
| 10 | Pipe Creek Elementary | Miami | 350 | Non-transient non-community | Groundwater |
| 11 | Hidden Creek Campground | Miami | 345 | Transient non-community | Groundwater |
| 12 | Knights Inn | Miami | 315 | Transient non-community | Groundwater |
| 13 | Eastpointe Bible Church | Miami | 290 | Transient non-community | Groundwater |
| 14 | Deer Creek Estates Home Water Assoc. | Miami | 265 | Community | Groundwater |
| 15 | Maple Lawn Village | Miami | 250 | Community | Groundwater |
| 16 | Woodys Camp & Bait - North | Miami | 240 | Transient non-community | Groundwater |
| 17 | Bennetts Switch Community Church | Miami | 200 | Transient non-community | Groundwater |
| 18 | Woodys Camp & Bait | Miami | 175 | Transient non-community | Groundwater |
| 19 | Woodland Hills Mobile Home Park #2 | Miami | 168 | Community | Groundwater |
| 20 | Cedar Creek Mobile Home Park | Miami | 150 | Community | Groundwater |
| 21 | First Church of Christ | Miami | 150 | Transient non-community | Groundwater |
| 22 | Calvary Church | Miami | 128 | Transient non-community | Groundwater |
| 23 | Dutch Cafe | Miami | 120 | Transient non-community | Groundwater |
| 24 | Orion Safety Products | Miami | 100 | Non-transient non-community | Groundwater |
| 25 | Woodland Hills Mobile Home Park #1 | Miami | 100 | Community | Groundwater |
| 26 | Orion Safety Products | Miami | 100 | Non-transient non-community | Groundwater |
| 27 | Rock Hollow Golf Club | Miami | 100 | Transient non-community | Groundwater |
| 28 | Wells Homeowners Association, Inc.. | Miami | 98 | Community | Groundwater |
| 29 | Loree Brethren Church | Miami | 90 | Transient non-community | Groundwater |
| 30 | Rabers Kountry Store LLC | Miami | 85 | Transient non-community | Groundwater |
| 31 | Howard Miami Mennonite Church | Miami | 85 | Transient non-community | Groundwater |
| 32 | Mississinewa Lake - Miami Ramp | Miami | 81 | Transient non-community | Groundwater |
| 33 | Los Primos Grill and Bar | Miami | 75 | Transient non-community | Groundwater |
| 34 | Kings Court Mobile Home Park | Miami | 70 | Community | Groundwater |
| 35 | Mt. Zion Free Methodist Church | Miami | 65 | Transient non-community | Groundwater |
| 36 | Are Enterprises LLC | Miami | 62 | Transient non-community | Groundwater |
| 37 | Roads End Mobile Home Park | Miami | 60 | Community | Groundwater |
| 38 | Mcgrawsville Community Ch/Promised Land | Miami | 60 | Non-transient non-community | Groundwater |
| 39 | Mexico Petroleum Inc.. | Miami | 57 | Transient non-community | Groundwater |
| 40 | Best Western - Circus City Inn | Miami | 56 | Transient non-community | Groundwater |
| 41 | The Farmhouse Cafe | Miami | 56 | Transient non-community | Groundwater |
| 42 | Hilltop Ridge Apartments | Miami | 52 | Community | Groundwater |
| 43 | Mcgrawsville Community Church Youth Bldg | Miami | 50 | Transient non-community | Groundwater |
| 44 | Great Lakes Resort | Miami | 50 | Transient non-community | Groundwater |
| 45 | Great Lakes Resort | Miami | 50 | Transient non-community | Groundwater |
| 46 | Suttons Hungry Goat | Miami | 50 | Transient non-community | Groundwater |
| 47 | Garden Gate Greenhouse | Miami | 45 | Transient non-community | Groundwater |
| 48 | Indiana Oaks Golf Club | Miami | 45 | Transient non-community | Groundwater |
| 49 | Engaging Minds Autism Services | Miami | 45 | Non-transient non-community | Groundwater |
| 50 | Church of Hope, Inc.. | Miami | 40 | Transient non-community | Groundwater |
All other water systems in Miami County (18)
The remaining active systems filed under Miami County, largest first, with the population each reports serving.
- Miami Trucking, Inc..40
- Misthaven Resort40
- Jacksons Camp and Storage39
- Maximum Power Sports Inc.33
- Rv Dynasty33
- Doane-Keyes Associates32
- Mississinewa Lake - Peoria30
- Sn Pizza 1, LLC Dba Pizza Quik30
- Coe-Mississinewa Lake - Office30
- Coe-Mississinewa Lake - Ob Mound30
- Hilltop Ridge Apartments Phase Two29
- Olive Branch Church28
- Miami County 4-H County Ground27
- Deangelos Pizza26
- Woodys Too26
- Frances Slocum Trail Riders25
- Willow Springs MHP25
- 31 Mara-Mart, Inc..25
Miami County water systems: frequently asked questions
How many public water systems are in Miami County, Indiana?
EPA's SDWIS records file 68 active public water systems under Miami County, Indiana: 15 community systems (22%), 9 non-transient non-community systems (13%) and 44 transient non-community systems (65%).
Who supplies drinking water in Miami County, IN?
The largest community water systems filed under Miami County are Peru Water Department (11,417 people served), Peru Utilities/Grissom (2,500 people served) and Converse Water Works (1,265 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 Miami County's drinking water come from groundwater or surface water?
Of the 68 active public water systems in Miami County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Peru Water Department, uses groundwater.
Where can I find a water quality report for Miami 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 Miami 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 Miami 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 Miami County, Indiana”, https://aquacensus.com/water-systems/indiana/miami (data as of October 1, 2026).