Porter County, Indiana — public water systems
At a glance
81 active public water systems are filed under Porter County, Indiana in EPA's SDWIS records, together reporting 60,622 people served. The largest is Valparaiso Department of Water Works, which reports serving 36,000 people. 8 are community water systems serving people where they live; the other 73 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
81
Population served
60.6K
Community systems
8
Groundwater share
98.8%
How does Porter County compare with other Indiana counties?
Porter County has the 12th-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 60,622 people served in total, the 22nd-largest county figure in the state and 1% of the statewide total. The average system here reports serving 748 people, about half of 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 Porter County's drinking water come from?
By primary water source, Porter County's active systems draw on groundwater (79, 98%), purchased groundwater (1, 1.2%) and purchased surface water (1, 1.2%). Overall, 99% rely mainly on groundwater (including purchased groundwater) and 1.2% 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, Valparaiso Department of Water Works, draws primarily on groundwater.
What kinds of water systems operate in Porter County?
Porter County's active systems break down as 8 community systems (9.9%), 16 non-transient non-community systems (20%) and 57 transient non-community systems (70%). 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 (80%), local government (12%) and federal government (7.4%).
The 50 largest water systems in Porter County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Valparaiso Department of Water Works | Porter | 36,000 | Community | Groundwater |
| 2 | Hebron Water Department | Porter | 3,724 | Community | Groundwater |
| 3 | L-A-C Utilities | Porter | 2,441 | Community | Purchased groundwater |
| 4 | Kouts Water Works | Porter | 2,028 | Community | Groundwater |
| 5 | St. Elizabeth Seton Catholic | Porter | 1,201 | Transient non-community | Groundwater |
| 6 | Ogden Dunes Water | Porter | 1,110 | Community | Purchased surface water |
| 7 | Portage Jr. Miss Softball Inc.. | Porter | 1,000 | Transient non-community | Groundwater |
| 8 | Citgo - Valparaiso | Porter | 800 | Transient non-community | Groundwater |
| 9 | Morgan Township School | Porter | 700 | Non-transient non-community | Groundwater |
| 10 | Boone Grove Middle School | Porter | 700 | Non-transient non-community | Groundwater |
| 11 | Luke Mobil #202 | Porter | 671 | Transient non-community | Groundwater |
| 12 | 49er Drive in Theatre | Porter | 659 | Transient non-community | Groundwater |
| 13 | Heartland Christian Center | Porter | 608 | Transient non-community | Groundwater |
| 14 | Boone Grove High School | Porter | 600 | Non-transient non-community | Groundwater |
| 15 | Porter Quick Stop | Porter | 502 | Transient non-community | Groundwater |
| 16 | Forest Oaks Mhc, LLC | Porter | 500 | Community | Groundwater |
| 17 | Liberty Bible Church | Porter | 474 | Transient non-community | Groundwater |
| 18 | Discovery Charter School | Porter | 454 | Non-transient non-community | Groundwater |
| 19 | Valley Baptist Church | Porter | 437 | Transient non-community | Groundwater |
| 20 | Jackson Elementary School | Porter | 400 | Non-transient non-community | Groundwater |
| 21 | Liberty Farms Mobile Home Park - #1 | Porter | 390 | Community | Groundwater |
| 22 | Creekside Golf Course | Porter | 306 | Transient non-community | Groundwater |
| 23 | Sunset Hill Farm County Park - Manager | Porter | 255 | Transient non-community | Groundwater |
| 24 | Church of Jesus Christ/Latter Day Saints | Porter | 250 | Transient non-community | Groundwater |
| 25 | Faith Evangelical Bible Church | Porter | 233 | Transient non-community | Groundwater |
| 26 | Victory Christian Academy | Porter | 200 | Non-transient non-community | Groundwater |
| 27 | Open Door Fellowship Church | Porter | 178 | Transient non-community | Groundwater |
| 28 | Opportunity Enterprises (Lakeside) | Porter | 160 | Non-transient non-community | Groundwater |
| 29 | Faith Fellowship Church | Porter | 156 | Transient non-community | Groundwater |
| 30 | Blast Camp | Porter | 153 | Transient non-community | Groundwater |
| 31 | Mallards Pointe Water System | Porter | 150 | Community | Groundwater |
| 32 | Baums Bridge Inn | Porter | 140 | Transient non-community | Groundwater |
| 33 | Applegarth Properties, LLC | Porter | 136 | Transient non-community | Groundwater |
| 34 | Courts of Northwest Indiana - Tennis | Porter | 128 | Transient non-community | Groundwater |
| 35 | Courts of Northwest Indiana - Basketball | Porter | 128 | Transient non-community | Groundwater |
| 36 | Camp Lawrence | Porter | 120 | Transient non-community | Groundwater |
| 37 | Portage Parks Dept - Imagination Glen | Porter | 120 | Transient non-community | Groundwater |
| 38 | Leroys Hot Stuff | Porter | 110 | Transient non-community | Groundwater |
| 39 | Forchetti Family Ymca | Porter | 105 | Non-transient non-community | Groundwater |
| 40 | Family Express - Distribution Center | Porter | 102 | Non-transient non-community | Groundwater |
| 41 | Salem United Methodist Fellowship | Porter | 100 | Transient non-community | Groundwater |
| 42 | Faith Memorial Lutheran Church | Porter | 98 | Transient non-community | Groundwater |
| 43 | Cross of Christ Lutheran Church | Porter | 96 | Transient non-community | Groundwater |
| 44 | Kingdom Hall Jehovahs Witnesses - Hebron | Porter | 88 | Transient non-community | Groundwater |
| 45 | In Dunes Natl Lakeshore-Bldgs 101-119 | Porter | 80 | Non-transient non-community | Groundwater |
| 46 | Kingdom Hall of Jehovahs Witnesses | Porter | 78 | Transient non-community | Groundwater |
| 47 | Gabis Arboretum at Purdue Nw- Depot | Porter | 75 | Transient non-community | Groundwater |
| 48 | Gabis Arboretum at Purdue Nw - Pavilion | Porter | 75 | Transient non-community | Groundwater |
| 49 | Shellbourne Conference Center | Porter | 72 | Transient non-community | Groundwater |
| 50 | New Hope Church of God | Porter | 71 | Transient non-community | Groundwater |
All other water systems in Porter County (31)
The remaining active systems filed under Porter County, largest first, with the population each reports serving.
- Specialty Food Group, LLC70
- St. Iakovos Greek Orthodox Church70
- In Dunes Natl Lakeshore-Bailly Comfort68
- Lakeview Christian Center62
- Dunes Baptist Church55
- Sand Creek Campground53
- Vfw Post 251152
- Malden Oasis51
- Kouts Christdelphian Ecclesia, Inc..50
- Four Corners Winery, LLC50
- In Dunes Natl Lakeshore-Calumet 403/40850
- Boone Grove Christian Church42
- Prince of Peace Lutheran Church40
- Shults-Lewis Childrens Home - Well #140
- Frampton Wright Ydc Bldg - Well #740
- American Legion Post #50237
- Lake of the Woods Club House35
- Andersons Winery & Vineyard34
- Trailer Transit, Inc..34
- Westside Properties LLC33
- Full Throttle (Church)31
- In Dunes Field Station Preschool Co-Op30
- Westside Properties LLC30
- Konrady Plastics, Inc.27
- Grand Corp.26
- Bethel Valparaiso Church25
- In Dunes Natl Lakeshore-Tremont Area-41725
- Trailyard LLC25
- Inspiration Wood25
- Hebron Medical Building Inc..25
- In Dunes Natl Lakeshore-Horse Trail-40725
Porter County water systems: frequently asked questions
How many public water systems are in Porter County, Indiana?
EPA's SDWIS records file 81 active public water systems under Porter County, Indiana: 8 community systems (9.9%), 16 non-transient non-community systems (20%) and 57 transient non-community systems (70%).
Who supplies drinking water in Porter County, IN?
The largest community water systems filed under Porter County are Valparaiso Department of Water Works (36,000 people served), Hebron Water Department (3,724 people served) and L-A-C Utilities (2,441 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 Porter County's drinking water come from groundwater or surface water?
Of the 81 active public water systems in Porter County, 99% draw mainly on groundwater and 1.2% on surface water, counting purchased supplies. The largest system, Valparaiso Department of Water Works, uses groundwater.
Where can I find a water quality report for Porter 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 Porter 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 Porter 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
- All Indiana public water systems· 3,969 active
- Noble County· 102 systems
- Tippecanoe County· 89 systems
- Allen County· 87 systems
- Marshall County· 87 systems
- White County· 78 systems
- Adams County· 74 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Porter County, Indiana”, https://aquacensus.com/water-systems/indiana/porter (data as of October 1, 2026).