Clean Water Act discharge permit · NPDES AZ0024082
BIG PARK DOMESTIC WASTEWATER IMPROVEMENT DISTRICT WWTP, Sedona, AZ: NPDES AZ0024082 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 39Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
BIG PARK DOMESTIC WASTEWATER IMPROVEMENT DISTRICT WWTP, held by Big Park Improvement District, holds NPDES permit AZ0024082. EPA’s file records it issued March 8, 2017 and expiring March 7, 2022. 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 | BIG PARK DOMESTIC WASTEWATER IMPROVEMENT DISTRICT WWTP |
|---|---|
| Permittee as filed | Big Park Improvement District |
| NPDES ID | AZ0024082 |
| 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 |
| Program | Publicly owned treatment works |
| Issued | March 8, 2017 |
| Expiration date | March 7, 2022 |
| Address | Sedona, AZ 86351 |
| Subwatershed | Jacks Canyon (HUC 150602020611) |
| 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
- 39Pollutants on file
- 39Under a numeric limit
- 2With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 3 | 8 | 6 | May 31, 2024 | 335% over the limit |
| Chlorine, total residual | 5 | 9 | 0 | ||
| BOD, 5-day, 20 deg. C | 7 | 0 | 0 | ||
| Solids, total suspended | 7 | 0 | 0 | ||
| Cyanide, total [as CN] | 5 | 0 | 0 | ||
| Hydrogen sulfide | 5 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Temperature, water deg. centigrade | 3 | 0 | 0 | ||
| Iron, total recoverable | 3 | 0 | 0 | ||
| Mercury, total recoverable | 3 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Sulfide, total [as S] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Selenium, total recoverable | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 0 | 0 | ||
| Boron, total recoverable | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Chromium, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 0 | ||
| Solids, total dissolved | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 1 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 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 AZ0024082.
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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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 AZ0024082 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.