Iowa House Bill HSB662

Iowa 2025-2026 Regular Session

• Introduced: 2/3/26
• Refer: 2/3/26

Caption

A bill for an act relating to animal feeding operations by regulating shellfish, and making penalties applicable.(See HF 2534.)

Summary

House Study Bill 662 amends Iowa’s animal feeding operation laws to add shellfish to the list of regulated “animals” under Code chapter 459. It creates two shellfish categories for purposes of calculating animal units: shellfish weighing 25 grams or more, and shellfish weighing less than 25 grams. Each category is assigned an equivalency factor, mirroring the way current law treats fish and certain other species by weight-based subcategories. The practical effect is to bring shellfish operations within the existing animal feeding operation regulatory framework administered by the Department of Natural Resources (DNR). That framework includes air and water quality requirements, permitting and construction/expansion rules, separation distances, and manure or effluent management plans. Because compliance with chapter 459 includes compliance with DNR rules, violations involving shellfish operations would also be subject to the same civil penalty provisions that apply to other AFOs, including administrative penalties up to $10,000 and, for certain water quality violations, judicial penalties up to $5,000.

Impact

The bill would expand the statutory definition of “animal” in section 459.102 to include shellfish and would add new animal-unit equivalency factors for shellfish based on weight. This would subject shellfish operations to the same DNR regulatory structure that applies to other animal feeding operations, including permitting, siting, and environmental compliance requirements, and would make the existing civil penalty provisions in chapter 459 applicable to shellfish-related violations.

Sentiment

The available materials suggest the bill is a technical regulatory update rather than a controversial policy overhaul. The explanation frames it as aligning shellfish with the existing weight-based animal-unit system already used for fish and other species, indicating a generally administrative and implementation-focused purpose. No committee transcript or recorded vote is provided, so there is no direct evidence of opposition or support beyond the bill’s stated structure.

Contention

The main point of potential contention is whether shellfish should be treated like other livestock or aquaculture species for purposes of animal feeding operation regulation, including environmental permitting and penalties. Any concern would likely center on the scope of DNR oversight, the burden on shellfish producers, and whether the animal-unit methodology appropriately fits shellfish operations. However, the provided record contains no explicit objections, amendments, or vote split to show active disagreement.