Ohio Administrative Code
Title 3745 - Ohio Environmental Protection Agency
Chapter 3745-40 - Sewage Sludge
Section 3745-40-07 - Requirements for the field storage of biosolids and regional facility storage
Current through all regulations passed and filed through December 16, 2024
(A) Biosolids shall be stored in a manner that is protective of human health and the environment and shall not impact waters of the state or create nuisance odors.
(B) Prohibitions. If utilizing vector attraction reduction options nine (VAR-9) or ten (VAR-10), the field storage of class B biosolids is prohibited.
(C) Except as provided in rule 3745-40-10 of the Administrative Code, no person shall store class B biosolids at a site that has not been authorized by the director or an authorized representative for beneficial use in accordance with rule 3745-40-06 of the Administrative Code.
(D) Isolation distance requirements.
Table D-1: Isolation distance requirements that shall be maintained from the location of class B and bulk exceptional quality biosolids.
Isolation distance requirement: |
To be maintained from: |
For biosolids classification: |
Three feet |
Bedrock |
Class B and bulk exceptional quality |
One hundred feet |
Surface waters of the state |
Class B and bulk exceptional quality |
Three hundred feet |
A sinkhole or a UIC class V drainage well |
Class B and bulk exceptional quality |
Three hundred feet |
An occupied structure or school |
Class B |
Three hundred feet |
A private, potable water source |
Class B |
One thousand feet |
A medical care facility |
Class B |
A request for an isolation distance reduction shall be made on forms approved by the director.
Table D-2: Setback requirements for public water systems.
Type of public water system |
Setback |
Community or non-transient, non-community public water system |
The inner management zone; if the drinking water source protection area is underlain by karst or fractured bedrock and has been determined to be highly susceptible to contamination, the setback shall be extended to include the entire drinking water source protection area. |
Transient, non-community public water system using ground water |
Three hundred feet from the water supply well |
[Comment: "Frequently flooded" and "low lying wet area" are defined in rule 3745-40-01 of the Administrative Code.]
(E) The maximum amount of class B or bulk exceptional quality biosolids to be delivered shall conform to both of the following:
(F) For class B or bulk exceptional quality biosolids that are stockpiled or stored at the beneficial use site, all of the following conditions apply:
Table F-1: Field storage requirements.
Biosolids classification |
Number of days of field storage |
Is field storage allowed? |
Class B and bulk exceptional quality |
Less than or equal to ninety days |
Yes |
Class B and bulk exceptional quality |
Greater than ninety days |
No. The field storage of biosolids for more than ninety days is prohibited. |
(G) Regional storage facility requirements. A regional storage facility is required when class B or bulk exceptional quality biosolids will be stored for more than ninety days at any location other than the generating treatment facility.
(H) To protect public health or the environment or to minimize the creation of nuisance odors, the director or an authorized representative may do any of the following:
Replaces: 3745-40-07