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ADEQ | Delegation Agreements

Onsite Wastewater Treatment Program Guidance

Revised On: Dec. 22nd, 2025 - 10:46 am

The following documents are recommended for use by local authorities responsible for Aquifer Protection Permitting delegated functions and duties. If you are seeking a permit application form used by a delegated county or city, please visit that local authority's website.

Questions can be directed to:

  • the Onsite Wastewater Treatment Program | Email >
  • or those persons listed in ADEQ’s Delegation Agreement Contact List | Learn More >

For Rule Clarification Requests | View Form 1 >
For Delegated Authority Complaints | View Form 2 >

Substantive Policy Statements | View Statements >

Forms and Checklists

Onsite Wastewater Treatment Facilities

Notice of Intent to Discharge | View Notice #1> | A.A.C. R18-9-A301 >
Request for Discharge Authorization | View Request for Authorization > | A.A.C. R18-9-A301 >
Alternative Design Request | View Request for Request > | A.A.C. R18-9-E301(C)(1) >
Uniform Site Investigation Report for Type 4 Onsite Wastewater Treatment Facilities | View Report #1 > | A.A.C. R18-9-A310 >
Notice of Transfer of Ownership | View Notice #2 > | A.A.C. R18-9-A304 >
Report of Inspection for Property Transfer | View Report #2 >A.A.C. R18-9-A316 >

Septic Tank Manufacturing Requirements | A.A.C. R18-9-A314(3)(d) >
Manufacturer's Certificate of Conformance | View Certificate >

Public or Semi-Public Swimming Pools

Application for Design Approval | View Application > | A.A.C. R18-5-203 >

Supplemental Forms
Bathhouses/Dressing Rooms | View Form #1 > | A.A.C. R18-5-241 >
Certificate of Completion | View Form #2 > | A.A.C. R18-5-204 >
Diving Areas and Equipment | View Form #3 > | A.A.C. R18-5-221 >
Overflow Collection System | View Form #4 > | A.A.C. R18-5-232 >
Spa Application | View Form #5 > | A.A.C. R18-5-203 >
Special Use Pool | View Form #6 > | A.A.C. R18-5-248 >
Variance Approval | View Form #7 > | A.A.C. R18-5-249 >
Wading Pool | View Form #8 > | A.A.C. R18-5-244 >

Sewage Collection Systems

Discharging Under a General Permit | A.A.C. R18-9-A301 >
Notice of Intent to Discharge (4.01 General Permit) | View Notice of Intent >
Request for Discharge Authorization | View Request for Discharge >

Capacity Assurance
Sewage Collection Systems | View Sewage System > | A.A.C. R18-9-E301(C)(1) >
Sewage Treatment Facilities | View Sewage Facilities > | A.A.C. R18-9-E301(C)(2) >

Capacity, Management, Operations and Maintenance Plan | A.A.C. R18-9-C305 >
Notice of Intent to Discharge for a Type 2 General Permit | View Permit #1 >
Notice of Intent Supplement for a Type 2.05 General Permit | View Permit #2 >

Alternative Design, Setback, Installation or Operational Features
Alternative Design Request | View Design Request > | A.A.C. R18-9-E301(C)(1) >
Notice of Transfer of Ownership | View Notice of TOO > | A.A.C. R18-9-A304 >

Subdivisions

Approval of Sanitary Facilities | View Approval > | A.A.C. R18-5-401 to 411 >

Frequently Asked Questions

Coming Soon

Want to learn more about the Onsite Wastewater Treatment Program? | Visit Page >