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Clean Water Act discharge permit · NPDES AR0020664

USDA FOREST SERVICE - BLANCHARD SPRINGS CAVERNS, Fiftysix, AR: NPDES AR0020664 discharge permit, effluent exceedances, inspections, penalties

USDA FOREST SERVICE - BLANCHARD SPRINGS CAVERNS, held by USDA Forest Service - Blanchard Springs Caverns, holds NPDES permit AR0020664, which discharges to N Sylamore Cr,White R. EPA’s file records it issued December 28, 2018 and expiring December 31, 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 filedUSDA FOREST SERVICE - BLANCHARD SPRINGS CAVERNS
Permittee as filedUSDA Forest Service - Blanchard Springs Caverns
NPDES IDAR0020664
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeFederal facility
IssuedDecember 28, 2018
Expiration dateDecember 31, 2023
AddressFiftysix, AR 72533
Receiving waterN Sylamore Cr,White R
NAICS721211 – Rv [Recreational Vehicle] Parks and Campgrounds
SIC7033 – Trailer Parks And Campsites

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

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
Nitrogen, ammonia total [as N]8164April 30, 2023200% over the limit
Coliform, fecal general211September 30, 201120% over the limit
Flow, in conduit or thru treatment plant260
Solids, total suspended400
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Phosphorus, total [as P]400
BOD, carbonaceous [5 day, 20 C]400
pH200
Oxygen, dissolved [DO]100
Chlorine, total residual100

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 AR0020664.

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 AR0020664 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit AR0020664, held by USDA Forest Service - Blanchard Springs Caverns and discharging to N Sylamore Cr,White R, with a permit status of Administratively continued and a Minor Discharger class. The page lists 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, with EPA's permit file recording issuance on December 28, 2018 and expiration on December 31, 2023.