Iowa § 459.313 Manure application — rules

Iowa Statutes

§ 459.313 — Manure application — rules

Iowa § 459.313

Title XINATURAL RESOURCES

Ch. 459ANIMAL AGRICULTURE COMPLIANCE ACT

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Bluebook

Iowa Code § 459.313 (2026).

Text

1.The department shall adopt rules governing the application of manure originating from an anaerobic lagoon or aerobic structure which is part of a confinement feeding operation. The rules shall establish application rates and practices to minimize groundwater or surface water pollution resulting from application, including pollution caused by runoff or other manure flow resulting from precipitation events. The rules shall establish different application rates and practices based on the water holding capacity of the soil at the time of application.

2.A person shall not apply manure by spray irrigation equipment, except as provided by rules adopted by the department pursuant to chapter 17A. However, a person shall not use restricted spray irrigation equipment to apply manure originating f

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1. The department shall adopt rules governing the application of manure originating
from an anaerobic lagoon or aerobic structure which is part of a confinement feeding
operation. The rules shall establish application rates and practices to minimize groundwater
or surface water pollution resulting from application, including pollution caused by runoff
or other manure flow resulting from precipitation events. The rules shall establish different
application rates and practices based on the water holding capacity of the soil at the time
of application.
2. A person shall not apply manure by spray irrigation equipment, except as provided
by rules adopted by the department pursuant to chapter 17A. However, a person shall not
use restricted spray irrigation equipment to apply manure originating from a confinement
feeding operation, unless the manure has been diluted as provided by rules adopted by the
department, including diluted by use of an anaerobic lagoon.