Clean Water Act discharge permit · NPDES AR0050148
HOT SPRINGS, CITY OF SW WWTP, Hot Springs, AR: NPDES AR0050148 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
HOT SPRINGS, CITY OF SW WWTP, held by HOT SPRINGS, CITY OF - SOUTHWEST WWTP, holds NPDES permit AR0050148, which discharges to Little Mazarn Cr,Lake Hamilton,Ouachita R. EPA’s file records it issued December 8, 2014 and expiring January 31, 2020. 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 | HOT SPRINGS, CITY OF SW WWTP |
|---|---|
| Permittee as filed | HOT SPRINGS, CITY OF - SOUTHWEST WWTP |
| NPDES ID | AR0050148 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 8, 2014 |
| Expiration date | January 31, 2020 |
| Address | Hot Springs, AR 71913 |
| Receiving water | Little Mazarn Cr,Lake Hamilton,Ouachita R |
| Subwatershed | Little Mazarn Creek-Lake Hamilton (HUC 080401010802) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| 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
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 9 | 18 | 9 | December 31, 2020 | 201% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 18 | 8 | September 30, 2021 | 53% over the limit |
| Oxygen, dissolved [DO] | 2 | 6 | 3 | July 31, 2011 | 4% over the limit |
| pH | 2 | 10 | 2 | April 30, 2019 | |
| Solids, total suspended | 3 | 13 | 1 | September 30, 2008 | 32% over the limit |
| Coliform, fecal general | 4 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 3 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 0 | ||
| Overflows | 1 | 1 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 1 | 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 AR0050148.
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.
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 AR0050148 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.