Wastewater Treatment Plants

General Information

Wastewater treatment plants are broken up into two main distinctions, >100,000 gpd and <100,000 gpd.

For plants >100,000 gpd see 10 State Standards

• PDF version [PDF 393K] or
• html version

For plants <100,000 gpd see the Green Book.

In addition to wastewater treatment plant requirements listed here, applicant must provide all material included in How to Obtain a PTI.

Forms

Forms associated with discharging system projects.
(Download the appropriate forms from the PTI Forms page).

• Form A: Applicant information
• Form B3: Wastewater Treatment Plants Less Than 100,000 GPD
• Form B4: WWTP’s Greater Than or Equal to 100,000 GPD and All Pond Systems
• Form B4-1: WWTP Pumping Stations
• Form B4-2: Preliminary Treatment
• Form B4-3: Biological Treatment
• Form B4-4: Settling
• Form B4-5: Filtration
• Form B4-6: Disinfection
• Form B4-7: Sludge Treatment and Disposal
• Form B4-8: Ponds
• Form B5: Industrial Direct Discharger Facility
• Form B6: Industrial Indirect Discharger Facility
• Antidegradation Addendum
  • Stream Evaluation Addendum: If there is work in or near a stream bed, a stream evaluation is needed.

House Bill 110 Program

Click HERE to view the list of counties currently participating in the HB 110 program.

Additional WWTP Information

For other related topics: OAC 3745-42

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