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Clean Water Act discharge permit · NPDES ID0026468

HECLA LIMITED - GROUSE CREEK, Stanley, ID: NPDES ID0026468 discharge permit, effluent exceedances, inspections, penalties

HECLA LIMITED - GROUSE CREEK, held by HECLA MINING CO, holds NPDES permit ID0026468, which discharges to Jordan Creek, Yankee Fork. EPA’s file records it issued December 13, 2001 and expiring January 29, 2007. 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 filedHECLA LIMITED - GROUSE CREEK
Permittee as filedHECLA MINING CO
NPDES IDID0026468
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 13, 2001
Expiration dateJanuary 29, 2007
AddressStanley, ID 83278
Receiving waterJORDAN CREEK, YANKEE FORK
Receiving water impaired303(D) Listed
SubwatershedJordan Creek (HUC 170602010503)
NAICS212221 – Gold Ore Mining
SIC1041 – Gold Ores
Other EPA IDs (FRS)RCRA handler IDD000643254

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended22410May 31, 2008167% over the limit
Mercury, total [as Hg]4257July 31, 1997533% over the limit
Copper, total recoverable6206May 31, 200873% over the limit
Effluent dilution ratio155May 31, 200476% over the limit
Cyanide, total [as CN]0184August 31, 1995555% over the limit
pH2202April 30, 2000
Zinc, total recoverable6162April 30, 20080% over the limit
Flow, in conduit or thru treatment plant281April 30, 202349% over the limit
Toxicity, final conc toxicity units311April 30, 200872% over the limit
Temperature, water deg. centigrade1160
Silver total recoverable4140
Cadmium, total recoverable4140
Lead, total recoverable4140
Arsenic, total recoverable0140
Iron, total recoverable0140
Nickel, total recoverable0140
Chromium, total recoverable0120
Cyanide, weak acid, dissociable270
Nitrogen, ammonia total [as N]140
Nitrite + Nitrate total [as N]140
Hardness, total [as CaCO3]140
Selenium, total recoverable140
Turbidity040
Conductivity040
Carbon, dissolved organic [as C]040
Copper, dissolved [as Cu]040
Lead, dissolved [as Pb]040
Zinc, dissolved [as Zn]040
Flow100
TU Static Renewal 96Hr Acute Oncorhynchus Mykiss100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES ID0026468.

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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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit ID0026468 for HECLA LIMITED - GROUSE CREEK in Stanley, ID, held by HECLA MINING CO and discharging to Jordan Creek, Yankee Fork, with the permit listed as administratively continued. The page lists 19 pollutants under a numeric limit and 9 pollutants with an effluent exceedance.