Arizona Administrative Code
Title 18 - ENVIRONMENTAL QUALITY
Chapter 9 - DEPARTMENT OF ENVIRONMENTAL QUALITY - WATER POLLUTION CONTROL
Article 3 - AQUIFER PROTECTION PERMITS - GENERAL PERMITS
Part E - TYPE 4 GENERAL PERMITS
Section R18-9-E303 - 4.03 General Permit: Composting Toilet, Less Than 3000 Gallons Per Day Design Flow A.
Current through Register Vol. 30, No. 28, July 12, 2024
A. A 4.03 General Permit allows for the use of a composting toilet with less than 3000 gallons per day design flow
B. Restrictions.
C. Performance. An applicant shall ensure that:
D. Notice of Intent to Discharge. In addition to the Notice of Intent to Discharge requirements specified in R18-9-A301(B) and R18-9-A309(B), the applicant shall submit the following information:
E. Design requirements for a composting toilet. An applicant shall ensure that:
F. Design requirements for the disposal works.
No. of Bedrooms |
Design Flow (gallons per day) |
Minimum Interceptor Size (gallons) |
|
Kitchen Wastewater Only (All gray water sources are collected and reused) |
Combined Non-Toilet Wastewater (Gray water is not separated and reused) |
||
1 (7 fixture units or less) |
90 |
42 |
200 |
1-2 (greater than 7 fixture units) |
180 |
84 |
400 |
3 |
270 |
125 |
600 |
4 |
330 |
150 |
700 |
5 |
380 |
175 |
800 |
6 |
420 |
200 |
900 |
7 |
460 |
225 |
1000 |
G. Operation and maintenance requirements. A permittee shall:
H. Reference design.