Manitowoc County, Wisconsin — public water systems
At a glance
139 active public water systems are filed under Manitowoc County, Wisconsin in EPA's SDWIS records, together reporting 64,022 people served. The largest is Manitowoc Waterworks, which reports serving 34,500 people. 14 are community water systems serving people where they live; the other 125 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
139
Population served
64K
Community systems
14
Groundwater share
98.6%
How does Manitowoc County compare with other Wisconsin counties?
Manitowoc County has the 38th-most active public water systems among the 90 counties listed for active Wisconsin systems in EPA records; among the 74 with 3 or more systems, the median has 140. Its systems report 64,022 people served in total, the 22nd-largest county figure in the state and 1.2% of the statewide total. The average system here reports serving 461 people, roughly in line with the Wisconsin average of 469. 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 Manitowoc County's drinking water come from?
By primary water source, Manitowoc County's active systems draw on groundwater (137, 99%) and surface water (2, 1.4%). Overall, 99% rely mainly on groundwater (including purchased groundwater) and 1.4% on surface water, compared with 99% and 0.6% across Wisconsin. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Manitowoc Waterworks, draws primarily on surface water.
What kinds of water systems operate in Manitowoc County?
Manitowoc County's active systems break down as 14 community systems (10%), 23 non-transient non-community systems (17%) and 102 transient non-community systems (73%). 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 (84%), local government (13%), state government (2.2%) and public/private partnership (0.7%).
The 50 largest water systems in Manitowoc County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Manitowoc Waterworks | Manitowoc | 34,500 | Community | Surface water |
| 2 | Two Rivers Waterworks | Manitowoc | 11,270 | Community | Surface water |
| 3 | Kiel Waterworks | Manitowoc | 3,932 | Community | Groundwater |
| 4 | Cleveland Waterworks | Manitowoc | 1,524 | Community | Groundwater |
| 5 | Mishicot Waterworks | Manitowoc | 1,432 | Community | Groundwater |
| 6 | Reedsville Waterworks | Manitowoc | 1,200 | Community | Groundwater |
| 7 | Valders Waterworks | Manitowoc | 954 | Community | Groundwater |
| 8 | Whitelaw Waterworks | Manitowoc | 757 | Community | Groundwater |
| 9 | St Nazianz Waterworks | Manitowoc | 705 | Community | Groundwater |
| 10 | City Limits Bar & Banquet Hall | Manitowoc | 550 | Transient non-community | Groundwater |
| 11 | Millhome Supper Club | Manitowoc | 550 | Transient non-community | Groundwater |
| 12 | Point Beach Nuclear Main | Manitowoc | 550 | Non-transient non-community | Groundwater |
| 13 | Maribel Waterworks | Manitowoc | 355 | Community | Groundwater |
| 14 | Kellnersville Waterworks | Manitowoc | 301 | Community | Groundwater |
| 15 | St Marys Sch | Manitowoc | 226 | Non-transient non-community | Groundwater |
| 16 | Holy Family Convent | Manitowoc | 195 | Community | Groundwater |
| 17 | Trinity Lutheran Family Ctr | Manitowoc | 170 | Transient non-community | Groundwater |
| 18 | Stecker Machine Plant 1 | Manitowoc | 150 | Non-transient non-community | Groundwater |
| 19 | Natural Ovens Bakery Alpha Baking Co | Manitowoc | 150 | Non-transient non-community | Groundwater |
| 20 | St Johns Lutheran Sch | Manitowoc | 125 | Non-transient non-community | Groundwater |
| 21 | Camp Tapawingo Lodge | Manitowoc | 110 | Transient non-community | Groundwater |
| 22 | Camp Sinawa Dining Hall | Manitowoc | 110 | Transient non-community | Groundwater |
| 23 | Camp Sinawa Dormitory | Manitowoc | 110 | Transient non-community | Groundwater |
| 24 | Camp Rokilio Train Station | Manitowoc | 110 | Transient non-community | Groundwater |
| 25 | Camp Rokilio Viking Ship | Manitowoc | 110 | Transient non-community | Groundwater |
| 26 | Tavern 10 | Manitowoc | 110 | Transient non-community | Groundwater |
| 27 | Wi Dnr Pt Beach Cmpgd | Manitowoc | 100 | Transient non-community | Groundwater |
| 28 | Wells Concrete Prod Co | Manitowoc | 95 | Non-transient non-community | Groundwater |
| 29 | Quiet Country Community Assn | Manitowoc | 90 | Community | Groundwater |
| 30 | Stecker Machine Plant 2 | Manitowoc | 80 | Non-transient non-community | Groundwater |
| 31 | Branch Station | Manitowoc | 75 | Transient non-community | Groundwater |
| 32 | Wst Fab LLC | Manitowoc | 70 | Non-transient non-community | Groundwater |
| 33 | B & B Metals Office | Manitowoc | 62 | Non-transient non-community | Groundwater |
| 34 | Camp Tapawingo Wagner Shower Bldg | Manitowoc | 60 | Transient non-community | Groundwater |
| 35 | Rahr Memorial School Frst Main Lodge | Manitowoc | 60 | Transient non-community | Groundwater |
| 36 | Rahr Memorial School Frst Krejcarek Educ Bldg | Manitowoc | 60 | Transient non-community | Groundwater |
| 37 | Bolles French Creek Inn | Manitowoc | 50 | Transient non-community | Groundwater |
| 38 | Spudz | Manitowoc | 50 | Transient non-community | Groundwater |
| 39 | Big Apple Pub & Grill | Manitowoc | 50 | Transient non-community | Groundwater |
| 40 | Samanthas Double Dam Bar | Manitowoc | 50 | Transient non-community | Groundwater |
| 41 | Pack Er Inn | Manitowoc | 50 | Transient non-community | Groundwater |
| 42 | Shell Francis Creek | Manitowoc | 50 | Transient non-community | Groundwater |
| 43 | Devils River Campers Park | Manitowoc | 50 | Transient non-community | Groundwater |
| 44 | Salem Ebenezer Reform Ch | Manitowoc | 50 | Transient non-community | Groundwater |
| 45 | Cr Stop Mini Mart | Manitowoc | 50 | Transient non-community | Groundwater |
| 46 | Shadows Bar | Manitowoc | 50 | Transient non-community | Groundwater |
| 47 | Aquamaster | Manitowoc | 45 | Non-transient non-community | Groundwater |
| 48 | Henning Cheese | Manitowoc | 45 | Non-transient non-community | Groundwater |
| 49 | Nigrelli Inc. | Manitowoc | 45 | Non-transient non-community | Groundwater |
| 50 | Siemers Holstein Farm Inc. | Manitowoc | 42 | Non-transient non-community | Groundwater |
All other water systems in Manitowoc County (89)
The remaining active systems filed under Manitowoc County, largest first, with the population each reports serving.
- Maple Leaf Dairy Inc. West40
- Chiara Convent40
- Shoto Corporation40
- Stock Manufacturing Corp37
- Lakeside Mennonite School36
- Conrads 2nd Knot35
- Riesterer & Schnell Chilton35
- Schuette Mfg & Steel Sales Inc.33
- Riesterer and Schnell Inc. Two Rivers31
- Carmeuse Lime & Stone Manitowoc Operation29
- Maple Leaf Dairy Inc. East28
- Robinway Dairy LLC28
- Port Sandy Bay25
- Lakeside Country Store25
- Rockwood Ev Lutheran Ch25
- Autumn Ridge Golf Course25
- Camp Rokilio Visitor Center25
- Manitowoc Co Hwy Dept25
- St Thomas the Apostle Ch25
- West Shore Sportsmans Club25
- Artesian Well Cth Q25
- Schlingos Rockville Bar25
- Dollar General 25694 Francis Creek25
- Markos Smoking Bbq LLC25
- Lower Cato Falls County Park25
- Walla Hi Co Pk25
- Walla Hi House Well25
- Maribel Caves County Park25
- Farm Wisconsin Discovery Center25
- On A Whim Sweet Treats25
- Camp Manitou Cedars25
- Larrabee Sp Club Harpts Lake25
- Marsh Inn Bar25
- Fisherville LLC25
- Scheffels Hideaway Cmpgd LLC25
- St Peter Lutheran Ch25
- Rollin Ridge Disc Golf Course25
- Manitowoc Co Hss Pinecrest Vil Meeme House25
- Trinity Alliance Ch25
- Wyncliff Farm House25
- Wyncliff Barn25
- Wyncliff Lodge25
- Wyncliff Lake House25
- Smiling Moose Saloon25
- Silarian Vineyards25
- Gibbys Doghouse25
- Pla Mor Park25
- Crazy 8 Bar25
- Wagners Country Restaurant25
- St Anne Catholic Ch25
- Manitowoc Co Hss Pinecrest Vil Vetting House25
- Branch Community Pk25
- Maribel Sportsman Club25
- Reedsville Sportsmen Club25
- Mobil 310 Mart25
- 141 Speedway Bar25
- Sportsmans Club LLC25
- Bethel Methodist Church25
- Wildcats Longbranch Saloon LLC25
- 141 Speedway Bathrooms25
- Village Pantry LLC25
- Bonkers Saloon LLC25
- I 43 One Stop25
- Hide Out the25
- Bar None Bar & Grill25
- Hope Community Ch25
- Holy Trinity Cath Ch25
- Zion Ev Lutheran Ch25
- St James Cath Ch25
- Manitowoc Gun Club25
- St James Un Ch of Christ25
- Crazy Daves Lucky Lady25
- St Isidore the Farmer Parish25
- Good Times25
- Kiel Fish & Game Inc.25
- Wicked Wings Ranch25
- Wi Dnr Pt Beach N Shower Bldg25
- Wi Dnr Pt Beach Ofc25
- Branch Cenex25
- Melnik Un Presbyterian Ch25
- Bethlehem Un Ch Christ25
- St John Lutheran Gibson25
- T&L Tactical25
- Viking Bow & Gun Club25
- Seven Lakes Golf Course25
- National at Fox Hills the25
- Francis Creek Travel Plaza25
- Camp Manitou Main Lodge25
- Camp 10 Campground25
Manitowoc County water systems: frequently asked questions
How many public water systems are in Manitowoc County, Wisconsin?
EPA's SDWIS records file 139 active public water systems under Manitowoc County, Wisconsin: 14 community systems (10%), 23 non-transient non-community systems (17%) and 102 transient non-community systems (73%).
Who supplies drinking water in Manitowoc County, WI?
The largest community water systems filed under Manitowoc County are Manitowoc Waterworks (34,500 people served), Two Rivers Waterworks (11,270 people served) and Kiel Waterworks (3,932 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 Manitowoc County's drinking water come from groundwater or surface water?
Of the 139 active public water systems in Manitowoc County, 99% draw mainly on groundwater and 1.4% on surface water, counting purchased supplies. The largest system, Manitowoc Waterworks, uses surface water.
Where can I find a water quality report for Manitowoc 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. 14 community systems are filed under Manitowoc 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 Manitowoc 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 Wisconsin water systems
- All Wisconsin public water systems· 11,056 active
- Wood County· 148 systems
- Juneau County· 146 systems
- Winnebago County· 145 systems
- Columbia County· 140 systems
- Washburn County· 128 systems
- La Crosse County· 122 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 Manitowoc County, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/manitowoc (data as of October 1, 2026).