Arizona
The stormwater permit for construction in Arizona
Arizona runs its own NPDES programme, so a state issued construction general permit governs. Below is what our engine can say about it, and where we have not read that permit, what it will not say.
Governing permit
Not verified for Arizona
We have not read the construction general permit that governs this jurisdiction, so we will not name one. Confirm which permit applies with the state permitting authority before you break ground.
Who may prepare the plan
No preparer credential foundNo preparer credential was found for Arizona. On what we have verified, a generated plan can be adopted by the operator without a credentialed signature. Local ordinances can still be stricter than state law.
The named Qualified Person role is self-attested. A.R.S. 32-144 is a conditional practice-act citation and does not make plan preparation a licensed activity.
No permit section cited. Confirm this with your permitting authority.
Does a site in Arizona need coverage
Worked for a one acre site as a reference point. Change the acreage in the tool below and the answer, and its reasoning, change with it.
Coverage
Permit coverage required
The project disturbs 1 acres, at or above the 1 acre threshold, so it needs permit coverage.
Determined against dataset version 2026-07-19.
Read these before you act on the answer
- We could not verify which permit governs a construction site in Arizona. Confirm with the state permitting authority before you break ground.
- No preparer credential was found for Arizona. On what we have verified, a generated plan can be adopted by the operator without a credentialed signature. Local ordinances can still be stricter than state law.
- Basinwise does not perform the physical site inspections the permit requires. Those must be carried out on site by a qualified person.
How this answer was reached, step by step
- 1
Coverage threshold
The project disturbs 1 acres, at or above the 1 acre threshold, so it needs permit coverage.
- 2
Permitting authority
Arizona runs its own NPDES programme, and we have not verified its construction general permit. We will not guess its requirements.
- 3
Preparer credential
No preparer credential was found for Arizona. On what we have verified, a generated plan can be adopted by the operator without a credentialed signature. Local ordinances can still be stricter than state law.
What to do next
- 1. Confirm the governing permit. We have not verified this. Contact the Arizona permitting authority and ask which construction general permit covers your site. the Arizona permitting authority
- 2. Settle the preparer question before you draft. Getting this wrong costs a redraft at best. The detail is on the credential page for this state. Preparer credential in Arizona
- 3. Screen the site. Run the real acreage and receiving water facts through the tool below. You get the inspection frequency, the stabilisation deadlines and the filing path with the permit section behind each.
- 4. Read the requirements in full. SWPPP requirements in Arizona
Screen a Arizona site now
Runs in your browser. Nothing about the site is transmitted.
What people ask about the Arizona construction stormwater permit
Do I need a stormwater permit for a construction site in Arizona?
Permit coverage is triggered at one acre of land disturbance, and below one acre if the project is part of a larger common plan of development or sale that will ultimately disturb an acre or more. The project disturbs 1 acres, at or above the 1 acre threshold, so it needs permit coverage.
Who issues the construction stormwater permit in Arizona?
We have not verified which permit governs construction stormwater in Arizona. Confirm with the Arizona permitting authority before you break ground. We will not name a permit we have not read.
Does Arizona require a qualified preparer for the plan?
No preparer credential was found for Arizona. On what we have verified, a generated plan can be adopted by the operator without a credentialed signature. Local ordinances can still be stricter than state law.
Keep the record Arizona will ask you for
The screening is free. Holding the written plan and the retained inspection log is what the permit actually demands.