Iowa HF 987: A bill for an act providing for the processing of organic material into renewable fuel and digestate, providing fees, and providing penalties.

Status: Rereferred to Ways and Means. (as of 2025-05-15)

State: Iowa · Session: 2025-2026 · Bill: HF 987

Subjects: manure, renewable energy

Sponsors: COMMITTEE ON WAYS AND MEANS

Bill Text

House File 987 - Introduced
HOUSE FILE 987
BY COMMITTEE ON WAYS AND MEANS
(SUCCESSOR TO HSB 322)
A BILL FOR
An Act providing for the processing of organic material into1
renewable fuel and digestate, providing fees, and providing2
penalties.3
BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA:4
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H.F. 987
DIVISION I1
COMMUNITY ANAEROBIC DIGESTER SYSTEMS2
Section 1. NEW SECTION. 458.101 Short title.3
This chapter shall be known and may be cited as the4
“Community Anaerobic Digester System Act”.5
Sec. 2. NEW SECTION. 458.102 Definitions.6
For purposes of this chapter, unless the context otherwise7
requires:8
1. a. “Agricultural animal” means an animal belonging to9
the bovine, caprine, equine, ovine, or porcine species; farm10
deer as defined in section 170.1; ostriches, rheas, or emus;11
turkeys, chickens, domestic geese or ducks, or other domestic12
fowl; or fish or other aquatic organisms confined in private13
waters for human consumption.14
b. “Agricultural animal” includes an animal that is part of15
an animal feeding operation.16
2. a. (1) “Anaerobic digester system” means a digester17
processing structure used to effectuate the digestion process.18
(2) “Anaerobic digester system” may also include any of the19
following:20
(a) A liquid digester storage structure.21
(b) A dry digester manure stockpile.22
(c) A dry digester feedstock stockpile.23
(d) A liquid digestate storage structure.24
(e) A dry digestate stockpile.25
b. “Anaerobic digester system” includes other related26
structures, pipes, and equipment used in the digestion process.27
3. “Animal feeding operation” means the same as defined in28
section 459.102.29
4. “Animal feeding operation structure” means the same as30
defined in section 459.102.31
5. “Commercial enterprise” means the same as defined in32
section 459.102.33
6. “Community anaerobic digester system” means an anaerobic34
digester system that is not identified with an animal feeding35
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H.F. 987
operation as provided in section 458.104.1
7. “Confinement feeding operation structure” means the same2
as defined in section 459.102.3
8. “Covered” means organic or inorganic material has been4
placed upon a digester structure used to store any of the5
following:6
a. Digester manure.7
b. Digester feedstock.8
c. Digestate.9
9. “Critical public area” means the same as defined in10
section 459.102.11
10. “Department” means the department of natural resources12
created pursuant to section 455A.2.13
11. “Designated area” means the same as defined in section14
459.102.15
12. “Designated object or location” means any of the16
following:17
a. A commercial enterprise.18
b. A bona fide religious institution.19
c. An educational institution.20
d. A public use area.21
13. “Designated wetland” means the same as defined in22
section 459.102.23
14. “Digestate” means the dry or liquid nutrient-rich24
material that remains after the digestion process is25
effectuated.26
15. a. “Digester feedstock” means organic material, other27
than digester manure, originating on-farm or off-farm that28
is used to effectuate the digestion process as part of an29
anaerobic digester system.30
b. “Digester feedstock” includes either of the following:31
(1) Dry digester feedstock.32
(2) Liquid digester feedstock.33
16. a. “Digester manure” means manure originating on-farm34
that is used to effectuate the digestion process as part of an35
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H.F. 987
anaerobic digester system.1
b. “Digester manure” includes either of the following:2
(1) Dry digester manure.3
(2) Liquid digester manure.4
17. “Digester processing structure” means a structure that5
effectuates the digestion process.6
18. “Digester stockpile” means any of the following:7
a. A dry digester manure stockpile.8
b. A dry digester feedstock stockpile.9
c. A dry digestate stockpile.10
19. “Digester structure” means any of the following:11
a. A liquid digester storage structure.12
b. A digester processing structure.13
c. A liquid digestate storage structure.14
20. “Digestion process” means primarily processing digester15
manure, and may include processing digester feedstock, by16
employing environmental conditions including bacteria to break17
down organic matter in the absence of oxygen, if used for18
producing, collecting, and utilizing a biogas and digestate.19
21. “Dry bedded confinement feeding operation” means the same20
as defined in section 459B.102.21
22. “Dry digestate” means digestate that meets the dry22
classification requirements in section 458.107.23
23. “Dry digestate stockpile” means dry digestate24
originating from a community anaerobic digester system and25
stored as part of the community anaerobic digester system26
outside a digester structure or on-farm outside any other27
structure.28
24. “Dry digester feedstock” means a digester feedstock that29
meets the dry classification requirements in section 458.107.30
25. “Dry digester feedstock stockpile” means dry

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