Clean Water Act discharge permit · NPDES AZ0024201
CITY OF TUCSON - LAKESIDE PARK LAKE, Tucson, AZ: NPDES AZ0024201 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CITY OF TUCSON - LAKESIDE PARK LAKE, held by City Of Tucson - Parks And Recreation Dept, holds NPDES permit AZ0024201. EPA’s file records it issued June 18, 2018 and expiring June 17, 2023. 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 | CITY OF TUCSON - LAKESIDE PARK LAKE |
|---|---|
| Permittee as filed | City Of Tucson - Parks And Recreation Dept |
| NPDES ID | AZ0024201 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 18, 2018 |
| Expiration date | June 17, 2023 |
| Address | Tucson, AZ 85730 |
| Subwatershed | Atterbury Wash (HUC 150503020205) |
| SIC | 4941 – Water Supply |
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
- 34Pollutants on file
- 11Under a numeric limit
- 34With 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 |
|---|---|---|---|---|---|
| Zinc, total recoverable | 4 | 2 | 1 | June 30, 2019 | 17% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 40 | 0 | ||
| Copper, total recoverable | 0 | 25 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 0 | 15 | 0 | ||
| pH | 2 | 14 | 0 | ||
| Cadmium, total recoverable | 4 | 13 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 13 | 0 | ||
| Selenium, total recoverable | 1 | 13 | 0 | ||
| Lead, total recoverable | 1 | 13 | 0 | ||
| Mercury, total recoverable | 1 | 13 | 0 | ||
| Silver total recoverable | 0 | 13 | 0 | ||
| Cyanide, total [as CN] | 0 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 9 | 0 | ||
| Phosphorus, total [as P] | 0 | 9 | 0 | ||
| Thallium, total recoverable | 0 | 9 | 0 | ||
| Oil & Grease | 0 | 8 | 0 | ||
| Sulfide, total [as S] | 0 | 8 | 0 | ||
| Chlorine, total residual | 0 | 8 | 0 | ||
| Phosphorous, in total orthophosphate | 0 | 6 | 0 | ||
| Temperature, water deg. centigrade | 0 | 5 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 5 | 0 | ||
| Beryllium, total recoverable [as Be] | 0 | 5 | 0 | ||
| Chromium, total recoverable | 0 | 5 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 4 | 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 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 1 | 0 | ||
| Arsenic, total recoverable | 0 | 1 | 0 | ||
| Nickel, total recoverable | 0 | 1 | 0 | ||
| Antimony, total recoverable | 0 | 1 | 0 | ||
| Phosphorus, ortho | 0 | 1 | 0 | ||
| Solids, total dissolved | 0 | 1 | 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 AZ0024201.
Inspections
EPA’s inspection file holds no inspection for NPDES AZ0024201.
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 AZ0024201.
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, AZ0024201.
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 AZ0024201 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.