Farming Cranberry Marsh Land in Wood County, Wisconsin

Wood County's place in Wisconsin's cranberry industry

Wood County led all Wisconsin counties in cranberry production in 2024, producing over 1.88 million barrels -- roughly 30.8% of the entire state's total output. Because Wisconsin has been the nation's top cranberry-producing state for 30 consecutive years, and typically accounts for around 60% of the entire US crop, that makes Wood County the single largest cranberry-producing county in the country, and likely the world. The crop is a genuine economic anchor here alongside the county's historic paper-mill industry, supporting jobs and acreage concentrated in the sand-and-peat marshland typical of central Wisconsin. Extension Wood County maintains a dedicated Cranberry Outreach Specialist role (separate from its general agriculture educator) reflecting how significant the crop is to the local economy.

The cranberry water-rights statute: a genuinely different rule than ordinary farmland

Cranberry cultivation in Wisconsin operates under a specific set of statutes -- Wis. Stat. §§ 94.26 through 94.32 -- with roots tracing back to an 1867 Wisconsin law and updated periodically since (including in 1959). Section 94.26 lets the owner of land "adapted to the culture of cranberries" build and maintain dams and construct and keep open drains and ditches "as shall be necessary" for cranberry cultivation, without needing the general water-diversion permit under Chapter 30 that would otherwise apply to flooding or draining land. This is a real, substantive carve-out: ordinary landowners generally cannot simply flood or drain land as they see fee without a state permit, but a cranberry grower operating under §94.26 can, specifically because cranberry beds require controlled flooding for harvest and frost protection.

That right comes with a real corresponding obligation, though: anyone who builds or maintains a dam, or constructs or keeps open a ditch or drain, under §94.26 is liable to any person whose land is overflowed or otherwise injured by it, for the full sum of damages sustained -- with a specific statutory process (§§94.28-94.30) for a neighboring landowner to have those damages assessed and recovered. In practice, this means a cranberry marsh's water management can directly and legally implicate neighboring parcels' drainage and water levels, and a prospective buyer of either the marsh itself or adjacent land should understand this two-sided structure (broad cultivation right, real liability exposure) before assuming either that marsh operations are unconstrained or that a neighbor has no legal recourse for flooding.

Wetland regulation: a cranberry-specific review standard, not a blanket exemption

Separately from the §94.26 water-rights question, Wisconsin's general wetland-protection rules under NR 103 (implementing Wis. Stat. § 281.36) apply to activities affecting a wetland, and this chapter does NOT blanket-exempt cranberry bed creation or expansion the way certain other agricultural and silvicultural activities are exempted under Chapter 30 or the federal Clean Water Act §404. Instead, NR 103.08(3) sets out a cranberry-specific evaluation standard: for a proposed cranberry project, the DNR makes a specific finding as to whether the project proponent has demonstrated that the activity will not result in significant adverse impacts to wetland functional values, water quality, or other significant adverse environmental consequences -- a different, project-specific review standard than the general wetland-fill analysis applied to most other development. In plain terms: creating a new cranberry bed or expanding an existing one in a wetland area still requires DNR review and a favorable finding under this standard, even though the review criteria differ from ordinary wetland-fill permitting.

What to actually do before buying cranberry marsh land (or land next to one)

1. If buying an operating cranberry marsh, ask directly whether its dams, drains, and ditches are documented as operating under Wis. Stat. §94.26, and get the history of any neighbor damage claims or disputes under §§94.28-94.30 -- this is a real, statutorily-created liability exposure that transfers with an operating marsh.
2. If buying land adjacent to an existing cranberry marsh, understand that the marsh operator has a specific statutory right to manage water levels for cultivation, and that your recourse for any resulting flooding or drainage impact runs through the §94.28-94.30 damages process rather than an ordinary nuisance or trespass framework.
3. If considering converting raw land -- especially wetland or wetland-adjacent land -- into a new cranberry bed, contact the Wisconsin DNR directly about the NR 103.08(3) cranberry-specific wetland review process before assuming either that cranberry cultivation is wetland-exempt or that it faces the same review as any other wetland fill.
4. Confirm whether the operation (existing or planned) is registered with the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) as required for commercial cranberry growers, and check current Wisconsin State Cranberry Growers Association resources for grower-specific guidance.
5. Separately confirm the parcel's zoning-administration track with Wood County Planning & Zoning (715-421-8466) -- cranberry marsh land can sit in either a directly county-administered town or one of the 12 towns with its own separately-administered zoning ordinance, and either way the county's Zoning Ordinance #700 framework remains the underlying authority.