# Planned developments in Monona County, IA

Boardwalk found 74 planned projects in Monona County, IA in public filings from the last 12 months, mostly infrastructure. The latest is on the Monona County Board of Supervisors agenda for Sep 22, 2026.

Data as of Oct 11, 2026. Updated monthly. Page: https://boardwalkai.com/development/iowa/monona/

## Monona County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 74 |
| New in the last 30 days | 4 |
| Most common type | Infrastructure |
| Latest filing | Sep 22, 2026, Monona County Board of Supervisors |
| Sources we check | 3 |

Last 12 months, duplicates merged. Includes private, public, and small jobs. How we count: https://boardwalkai.com/coverage/#how-we-count

## What's planned in Monona County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Infrastructure | 50 | 68% |
| Development decisions | 10 | 14% |
| Residential | 5 | 7% |
| Public and institutional | 3 | 4% |
| Commercial | 3 | 4% |
| Industrial | 2 | 3% |
| Agricultural | 1 | 1% |

## Recent projects in Monona County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| Oliver Lake Main, Lat 2 and Lat 3 Combined Drainage Project | Monona County, IA | Not stated | Utilities | Not stated in filing | Out to bid | Sep 22, 2026 |
| McNeill Project Phase II Drainage Petition | Monona County, IA | Not stated | Utilities | Not stated in filing | Early planning | Sep 1, 2026 |
| McNeill Intercounty Drainage District Phase II Repairs | Monona County, IA | Not stated | Stormwater and drainage | Not stated in filing | Out to bid | Sep 1, 2026 |
| Oliver Lake Lat 1 Drainage Petition | Monona County, IA | Not stated | Utilities | Not stated in filing | Early planning | Jul 21, 2026 |
| December Bridge on K42 Infrastructure Project | Monona County, IA | Not stated | Bridges | Not stated in filing | Early planning | Jul 15, 2026 |
| 500,000-Gallon Liquid Fertilizer Tank at Mapleton Facility | Monona County, IA | New Cooperative, Inc. | Industrial | Not stated in filing | Seeking approval | Jul 13, 2026 |
| Oliver Lake Lateral 1 Infrastructure Petition | Monona County, IA | Not stated | Utilities | Not stated in filing | Early planning | Jun 30, 2026 |
| McNeill Main Phase II Drainage Ditch Cleanout | Monona County, IA | Not stated | Stormwater and drainage | Not stated in filing | In design | Jun 9, 2026 |
| Little Sioux River Bridge Replacement and Intersection Realignment | Monona County, IA | Not stated | Bridges | Not stated in filing | Approved | Jun 9, 2026 |
| McNeill Phase II Drainage Infrastructure Project | Monona County, IA | Not stated | Stormwater and drainage | Not stated in filing | Approved | May 12, 2026 |
| New Wastewater Treatment Plant Land Acquisition | Onawa, IA | Not stated | Sewer and wastewater | Not stated in filing | Early planning | May 6, 2026 |
| IA 141 Bridge Replacement over Soldier Creek | Monona County, IA | Not stated | Bridges | Not stated in filing | Early planning | Mar 10, 2026 |

Showing 12 of 74 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Monona County

- Onawa, IA · 17 projects
- Whiting, IA · 9 projects

## Nearby places

- [Woodbury County, IA](https://boardwalkai.com/development/iowa/woodbury/) · 190+ projects
- [Harrison County, IA](https://boardwalkai.com/development/iowa/harrison/) · 61 projects
- [Crawford County, IA](https://boardwalkai.com/development/iowa/crawford/) · 38 projects
- [Ida County, IA](https://boardwalkai.com/development/iowa/ida/) · 74 projects
- Shelby County, IA · 23 projects
- [Sac County, IA](https://boardwalkai.com/development/iowa/sac/) · 120+ projects

All places in Iowa: [Iowa](https://boardwalkai.com/development/iowa/)

## Questions about Monona County

### What's planned in Monona County, IA?

Boardwalk found 74 planned projects in Monona County, IA in the last 12 months, mostly infrastructure. The latest is on the Monona County Board of Supervisors agenda for Sep 22, 2026.

### Where does this data come from?

Boardwalk's Monona County projects come from public meeting records, such as Monona County Board of Supervisors agendas and minutes. Each one links to the original filing.

### How current is it?

Boardwalk checks Monona County's public records at least once a week; the last check was Oct 11, 2026. These counts are as of Oct 11, 2026 and refresh monthly.

### Can I get an Alert for new Monona County projects?

Yes, a Boardwalk Alert emails you new Monona County projects daily, weekly, or monthly. Start with a 7-day free trial, no credit card needed.

## Get the full data

- **Count for free.** Connect Boardwalk to Claude or ChatGPT and ask how many projects match. Counting is free during your trial and on every plan. [Use it in Claude or ChatGPT](https://boardwalkai.com/mcp/)
- **Open the records.** Start a 7-day free trial, no credit card. It includes 50 project records. [Start free trial](https://boardwalkai.com/auth/signup/)
- **Use it in your tools.** CSV export, the API, and the MCP server come with every plan. [API docs](https://boardwalkai.com/docs/api/)
- **Download these numbers.** [monona.json](https://boardwalkai.com/data/places/iowa/monona.json) · [monona.md](https://boardwalkai.com/development/iowa/monona/index.md)

## How to cite

Source: Boardwalk, "Planned developments in Monona County, IA", boardwalkai.com/development/iowa/monona/, data as of Oct 11, 2026.

How we count: https://boardwalkai.com/coverage/#how-we-count