Clean Water Act discharge permit · NPDES AR0037745
LITTLE ROCK ZOOLOGICAL GARDENS, Little Rock, AR: NPDES AR0037745 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
LITTLE ROCK ZOOLOGICAL GARDENS, held by LITTLE ROCK, CITY OF-LITTLE ROCK ZOOLOGICAL GARDENS, holds NPDES permit AR0037745, which discharges to Coleman Cr,Fourche Cr,Arkansas R. EPA’s file records it issued November 24, 2015 and expiring November 30, 2020. 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 | LITTLE ROCK ZOOLOGICAL GARDENS |
|---|---|
| Permittee as filed | LITTLE ROCK, CITY OF-LITTLE ROCK ZOOLOGICAL GARDENS |
| NPDES ID | AR0037745 |
| 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 | November 24, 2015 |
| Expiration date | November 30, 2020 |
| Address | Little Rock, AR 72205 |
| Receiving water | COLEMAN CR,FOURCHE CR,ARKANSAS R |
| Subwatershed | Coleman Creek-Maumelle River (HUC 111102070204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 9With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 4 | 56 | 30 | March 31, 2023 | 99,999% over the limit |
| Oxygen demand, chem. [low level] [COD] | 4 | 56 | 26 | March 31, 2019 | 708% over the limit |
| Solids, total suspended | 4 | 39 | 19 | December 31, 2019 | 103% over the limit |
| Chlorine, total residual | 2 | 16 | 4 | March 31, 2026 | 3,173% over the limit |
| Oxygen, dissolved [DO] | 4 | 10 | 4 | April 30, 2026 | 25% over the limit |
| pH | 4 | 27 | 1 | June 30, 2005 | |
| Flow, in conduit or thru treatment plant | 4 | 34 | 0 | ||
| Oil & Grease | 4 | 31 | 0 | ||
| Rainfall | 0 | 4 | 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 AR0037745.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
Watch this permit
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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 AR0037745 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.