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Clean Water Act discharge permit · NPDES FL0025518

ARVAH B HOPKINS GENERATING STATION, Tallahassee, FL: NPDES FL0025518 discharge permit, effluent exceedances, inspections, penalties

ARVAH B HOPKINS GENERATING STATION, held by City of Tallahassee, holds NPDES permit FL0025518, which discharges to Ochlockonee Rv. EPA’s file records it issued July 23, 2010 and expiring July 22, 2015. 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 filedARVAH B HOPKINS GENERATING STATION
Permittee as filedCity of Tallahassee
NPDES IDFL0025518
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
IssuedJuly 23, 2010
Expiration dateJuly 22, 2015
Issuing agencyFlorida Department of Environmental Protection
AddressTallahassee, FL 32304
Receiving waterOCHLOCKONEE RV
SubwatershedHolley Branch (HUC 031200030303)
NAICS221111 – Hydroelectric Power Generation
SIC4911 – Electric Services
Other EPA IDs (FRS)RCRA handler FLD000831248; ICIS-AIR source FL0000001207300003

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
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia61715June 30, 202599,999% over the limit
pH12188June 30, 2023
Length of longest pH excursion265May 31, 2020212% over the limit
Chlorine, total residual254October 31, 2019100% over the limit
IC25 Static Renewal 7 Day Chronic Chrpimephales663June 30, 201191% over the limit
Oil & Grease672July 31, 202426% over the limit
Zinc, total recoverable1271March 31, 201299,999% over the limit
Solids, total suspended451August 31, 2018123% over the limit
Flow, in conduit or thru treatment plant1290
Copper, total recoverable1780
Chromium, total recoverable660
Water treatment additives450
Copper, total [as Cu]030
Chlorine, free available620
Iron, total recoverable520
Chlorination020
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia020
LC50 Static Renewal 96Hr Acute Cyprinella leedsi020
Temperature, water deg. fahrenheit810
Chlorine, total residual [dsg. time]600
Lead, total recoverable600
Chromium, trivalent total recoverable600
Spectrus CT 1300400
Hardness, total [as CaCO3]100

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 FL0025518.

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 FL0025518 there.

Nearby on the register

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

What this page shows

This public-records page describes NPDES permit FL0025518, held by City of Tallahassee for ARVAH B HOPKINS GENERATING STATION, which discharges to Ochlockonee Rv and is listed as administratively continued. The page lists 20 pollutants under a numeric limit and 8 pollutants with an effluent exceedance, with the permit issued July 23, 2010 and expiring July 22, 2015.