Clean Water Act discharge permit · NPDES AZ0026051
SOFTWINDS MOBILE HOME PARK WASTEWATER TREATMENT PLANT, Dewey, AZ: NPDES AZ0026051 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
SOFTWINDS MOBILE HOME PARK WASTEWATER TREATMENT PLANT, held by Stone Castle Properties Llc, holds NPDES permit AZ0026051. EPA’s file records it issued July 31, 2017 and expiring July 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SOFTWINDS MOBILE HOME PARK WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | Stone Castle Properties Llc |
| NPDES ID | AZ0026051 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 31, 2017 |
| Expiration date | July 30, 2022 |
| Address | Dewey, AZ 86327 |
| Subwatershed | Chaparral Gulch-Agua Fria River (HUC 150701020206) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 39Pollutants on file
- 38Under a numeric limit
- 39With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 7 | 52 | 28 | April 30, 2025 | 243% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 30 | 22 | September 30, 2023 | 545% over the limit |
| E. coli, colony forming units [CFU] | 3 | 19 | 13 | May 31, 2026 | 862% over the limit |
| Solids, suspended percent removal | 1 | 13 | 9 | May 31, 2026 | 127% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 30 | 8 | May 31, 2017 | 87% over the limit |
| Zinc, total recoverable | 5 | 14 | 5 | December 31, 2021 | 104% over the limit |
| BOD, 5-day, percent removal | 1 | 6 | 2 | December 31, 2012 | 305% over the limit |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 4 | 2 | December 31, 2025 | 700% over the limit |
| Selenium, total recoverable | 5 | 11 | 1 | June 30, 2019 | 30% over the limit |
| Copper, total recoverable | 5 | 11 | 1 | June 30, 2021 | 51% over the limit |
| Chlorine, total residual | 5 | 12 | 0 | ||
| Mercury, total recoverable | 3 | 9 | 0 | ||
| Sulfide, total [as S] | 2 | 7 | 0 | ||
| pH | 4 | 6 | 0 | ||
| Temperature, water deg. centigrade | 3 | 6 | 0 | ||
| Oil & Grease | 3 | 6 | 0 | ||
| Cyanide, total [as CN] | 3 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Hydrogen sulfide | 2 | 5 | 0 | ||
| Silver total recoverable | 1 | 4 | 0 | ||
| Lead, total recoverable | 1 | 4 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 1 | 4 | 0 | ||
| Iron, total recoverable | 1 | 3 | 0 | ||
| Solids, total dissolved | 1 | 3 | 0 | ||
| Chromium, total recoverable | 0 | 3 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 1 | 2 | 0 | ||
| Arsenic, total recoverable | 1 | 2 | 0 | ||
| Thallium, total recoverable | 1 | 2 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 2 | 0 | ||
| Chromium, total [as Cr] | 1 | 2 | 0 | ||
| Nickel, total recoverable | 1 | 2 | 0 | ||
| Cadmium, total recoverable | 1 | 2 | 0 | ||
| Antimony, total recoverable | 1 | 2 | 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 AZ0026051.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.