Revised On: Aug. 12th, 2025 - 10:28 pm
Large facilities like municipal wastewater treatment plants, mines, Individual municipal separate storm sewer systems (MS4) or other industrial facilities that discharge to a Water of the United States (WOTUS) or a water on the Protected Surface Water List (PSWL). These fees are subject to an annual adjustment and will be updated annually on this page. Facilities are subject to:
- Hourly fees of $180 per hour
- Maximum fee caps
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Permit Type
|
Maximum Fee
|
|
Individual permit for municipal separate storm sewer system
|
$59,420
|
|
Individual permit for wastewater treatment plant (based on gallons of discharge per day)
3,000 to 99,999
100,000 to 999,999
1,000,000 to 9,999,999
10,000,000 or more
|
$22,280
$29,710
$44,570
$74,280
|
|
Individual permit for a facility or activity that is not a wastewater treatment plant or a municipal separate storm sewer
|
$44,570
|
|
Amendment to an individual permit
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$18,570
|
|
Approval of a new or revised pretreatment program under AZPDES
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$14,850
|
|
Consolidated individual permit for multiple AZPDES individual permits, as allowed under A.A.C. R18-9-B901(C)
|
Aggregate of the
applicable maximum fees
|
|
Permit Type
|
Annual Fee
|
Annual Registration Fee if Facility is Not Yet Constructed
|
|
Municipal separate storm sewer system
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$14,850
|
N/A
|
|
Wastewater treatment plant (based on gallons of discharge per day):
Less than 99,999
100,000 to 999,999
1,000,000 to 9,999,999
10,000,000 or more
|
$370
$740
$3,710
$5,940
|
$370
$740
$920
$1,110
|
|
Facility or activity that is not a wastewater treatment plant or municipal separate storm sewer and designated in the permit as either:
Major
Minor
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$3,710
$740
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$920
$740
|
|
Pretreatment program
|
$4,450
|
N/A
|
|
Consolidated individual permit for multiple AZPDES
individual permits, as allowed under A.A.C. R18-9-B901(C)
|
Aggregate of the applicable annual fees of each individual permit
|
Aggregate of the applicable annual fees of each individual permit
|
