Clean Water Act discharge permit · NPDES AZ0023931
APACHE JUNCTION SEWER DISTRICT WWTP, Apache Junction, AZ: NPDES AZ0023931 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 181Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
APACHE JUNCTION SEWER DISTRICT WWTP, held by Superstition Mountains Community Facilities District No 1, holds NPDES permit AZ0023931. EPA’s file records it issued October 3, 2019 and expiring October 2, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | APACHE JUNCTION SEWER DISTRICT WWTP |
|---|---|
| Permittee as filed | Superstition Mountains Community Facilities District No 1 |
| NPDES ID | AZ0023931 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 3, 2019 |
| Expiration date | October 2, 2024 |
| Address | Apache Junction, AZ 85120 |
| Subwatershed | Siphon Draw (HUC 150501000803) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 183Pollutants on file
- 181Under a numeric limit
- 48With a violation of any kind
- 10With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 183 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Mercury, total recoverable | 5 | 25 | 16 | September 30, 2015 | 2,150% over the limit |
| Cyanide, total [as CN] | 9 | 16 | 12 | November 30, 2018 | 175% over the limit |
| E. coli, colony forming units [CFU] | 3 | 14 | 12 | June 30, 2020 | 544% over the limit |
| Selenium, total recoverable | 5 | 23 | 10 | June 30, 2019 | 750% over the limit |
| Cyanide, dissolved std method | 0 | 13 | 8 | May 31, 2014 | 190% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 7 | 6 | June 30, 2020 | 500% over the limit |
| Solids, total suspended | 7 | 8 | 2 | April 30, 2013 | 42% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 9 | 1 | January 31, 2007 | 7% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 1 | January 31, 2020 | 47% over the limit |
| Solids, suspended percent removal | 1 | 2 | 1 | January 31, 2020 | 408% over the limit |
| Copper, total recoverable | 5 | 13 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 5 | 9 | 0 | ||
| Sulfide, total [as S] | 3 | 9 | 0 | ||
| Chlorine, total residual | 5 | 8 | 0 | ||
| Nickel, total recoverable | 1 | 5 | 0 | ||
| Zinc, total recoverable | 1 | 5 | 0 | ||
| Cadmium, total recoverable | 1 | 4 | 0 | ||
| Oil & Grease | 4 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 3 | 0 | ||
| Silver total recoverable | 1 | 3 | 0 | ||
| Lead, total recoverable | 1 | 3 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Chromium, total recoverable | 3 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 2 | 0 | ||
| Arsenic, total recoverable | 1 | 2 | 0 | ||
| Thallium, total recoverable | 1 | 2 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 2 | 0 | ||
| Antimony, total recoverable | 1 | 2 | 0 | ||
| Pass/Fail Static 96Hr Acute Ceriodaphnia Dubia | 1 | 2 | 0 | ||
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 1 | 2 | 0 | ||
| Ammonia [as N] + unionized ammonia | 0 | 2 | 0 | ||
| Temperature, water deg. centigrade | 2 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Fluoride, total [as F] | 1 | 1 | 0 | ||
| Boron, total recoverable | 1 | 1 | 0 | ||
| Barium, total recoverable | 1 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 1 | 0 | ||
| Diquat | 1 | 1 | 0 | ||
| Manganese, total recoverable | 1 | 1 | 0 | ||
| Dinoseb | 1 | 1 | 0 | ||
| 4-Bromophenyl phenyl ether | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 | ||
| Iron, total recoverable | 4 | 0 | 0 | ||
| Hydrogen sulfide | 3 | 0 | 0 | ||
| Static 7Day Chronic Pimephales Promelas | 2 | 0 | 0 | ||
| Tributyltin | 1 | 0 | 0 | ||
| Uranium, total as U3O8 | 1 | 0 | 0 | ||
| Dichlorobromomethane | 1 | 0 | 0 | ||
| Carbon tetrachloride | 1 | 0 | 0 | ||
| 1,2-Dichloroethane | 1 | 0 | 0 | ||
| Bromoform | 1 | 0 | 0 | ||
| Dibromochloromethane | 1 | 0 | 0 | ||
| Chloroform | 1 | 0 | 0 | ||
| Toluene | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AZ0023931.
Inspections
EPA’s inspection file holds no inspection for NPDES AZ0023931.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES AZ0023931.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AZ0023931.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID AZ0023931 there.
Nearby on the register
- Discharge permits in Apache Junction
- Every permit record in Apache Junction, A to Z
- Discharge permits in Arizona
- Every permit record in Arizona, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.