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Pottawattamie County, Iowa — public water systems

At a glance

33 active public water systems are filed under Pottawattamie County, Iowa in EPA's SDWIS records, together reporting 85,108 people served. The largest is Council Bluffs Water Works, which reports serving 64,447 people. 16 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

33

Population served

85.1K

Community systems

16

Groundwater share

81.8%

How does Pottawattamie County compare with other Iowa counties?

Pottawattamie County has the 12th-most active public water systems among the 114 counties listed for active Iowa systems in EPA records; among the 96 with 3 or more systems, the median has 14. Its systems report 85,108 people served in total, the 10th-largest county figure in the state and 2.7% of the statewide total. The average system here reports serving 2,579 people, about 50% above the Iowa average of 1,718. 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 Pottawattamie County's drinking water come from?

By primary water source, Pottawattamie County's active systems draw on groundwater (25, 76%), purchased surface water (5, 15%), purchased groundwater (2, 6.1%) and surface water (1, 3%). Overall, 82% rely mainly on groundwater (including purchased groundwater) and 18% on surface water, compared with 92% and 7.8% across Iowa. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Council Bluffs Water Works, draws primarily on surface water.

What kinds of water systems operate in Pottawattamie County?

Pottawattamie County's active systems break down as 16 community systems (48%), 3 non-transient non-community systems (9.1%) and 14 transient non-community systems (42%). 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 (45%), local government (45%) and state government (9.1%).

Water systems in Pottawattamie County

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Active public water systems in Pottawattamie County, Iowa
#Water systemCountyPopulation servedTypeSource
1Council Bluffs Water WorksPottawattamie64,447CommunitySurface water
2Regional WaterPottawattamie + 1 more4,132CommunityPurchased surface water
3Carter Lake Water DistrictPottawattamie3,791CommunityPurchased surface water
4Avoca Water WorksPottawattamie1,697CommunityPurchased groundwater
5Urban Bluffs - NorthPottawattamie1,558CommunityPurchased surface water
6Oakland Munic Water UtilityPottawattamie1,524CommunityGroundwater
7Treynor Water DepartmentPottawattamie1,049CommunityGroundwater
8Neola Light & WaterPottawattamie906CommunityGroundwater
9Lakeside Estates LLCPottawattamie823CommunityPurchased surface water
10Crescent Water SupplyPottawattamie778CommunityPurchased surface water
11Walnut Municipal UtilitiesPottawattamie768CommunityGroundwater
12Carson Water SupplyPottawattamie766CommunityGroundwater
13Minden Water SupplyPottawattamie598CommunityGroundwater
14Macedonia Water SupplyPottawattamie275CommunityGroundwater
15Dot-4 (I-880 Ra 024n Loveland)Pottawattamie255Transient non-communityGroundwater
16WestfairPottawattamie238Transient non-communityGroundwater
17Hancock Water SupplyPottawattamie200CommunityPurchased groundwater
18Dot-4 (I-880 Ra 023s Loveland)Pottawattamie175Transient non-communityGroundwater
19Living Hope Community ChurchPottawattamie150Transient non-communityGroundwater
20Eastern Hills Baptist ChurchPottawattamie149Non-transient non-communityGroundwater
21Mt. Crescent Ski AreaPottawattamie128Transient non-communityGroundwater
22Lewis and Clark MonumentPottawattamie102Transient non-communityGroundwater
23The Learning JourneyPottawattamie90Non-transient non-communityGroundwater
24Creighton University Retreat CenterPottawattamie89Transient non-communityGroundwater
25Desoto Bend Mini MartPottawattamie87Transient non-communityGroundwater
26St Pauls Evangelical Country ChurchPottawattamie69Transient non-communityGroundwater
27Dot-3 (Loveland 060 Scenic View)Pottawattamie55Transient non-communityGroundwater
28Quail Run Country ClubPottawattamie45Transient non-communityGroundwater
29Wabash GreenhousePottawattamie42Non-transient non-communityGroundwater
30Country Estates Mobile Home ParkPottawattamie35CommunityGroundwater
31Hitchcock Nature CenterPottawattamie32Transient non-communityGroundwater
32Town & Country Aqua ClubPottawattamie30Transient non-communityGroundwater
33Aeroplane InnPottawattamie25Transient non-communityGroundwater

Pottawattamie County water systems: frequently asked questions

How many public water systems are in Pottawattamie County, Iowa?

EPA's SDWIS records file 33 active public water systems under Pottawattamie County, Iowa: 16 community systems (48%), 3 non-transient non-community systems (9.1%) and 14 transient non-community systems (42%).

Who supplies drinking water in Pottawattamie County, IA?

The largest community water systems filed under Pottawattamie County are Council Bluffs Water Works (64,447 people served), Regional Water (4,132 people served) and Carter Lake Water District (3,791 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 Pottawattamie County's drinking water come from groundwater or surface water?

Of the 33 active public water systems in Pottawattamie County, 82% draw mainly on groundwater and 18% on surface water, counting purchased supplies. The largest system, Council Bluffs Water Works, uses surface water.

Where can I find a water quality report for Pottawattamie 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. 16 community systems are filed under Pottawattamie 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 Pottawattamie 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 Iowa 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 Pottawattamie County, Iowa”, https://aquacensus.com/water-systems/iowa/pottawattamie (data as of October 1, 2026).