Velarion Records

Clean Water Act discharge permit · NPDES IL0052582

ROCK RIVER ESTATES STP, Dixon, IL: NPDES IL0052582 discharge permit, effluent exceedances, inspections, penalties

ROCK RIVER ESTATES STP, held by ROCK RIVER ESTATES MOBILE HOME COMMUNITY, holds NPDES permit IL0052582, which discharges to Rock River. EPA’s file records it issued August 21, 2020 and expiring August 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedROCK RIVER ESTATES STP
Permittee as filedROCK RIVER ESTATES MOBILE HOME COMMUNITY
NPDES IDIL0052582
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 21, 2020
Expiration dateAugust 31, 2025
AddressDixon, IL 61021
Receiving waterROCK RIVER
Receiving water impaired303(D) Listed
SubwatershedTown of Nelson-Rock River (HUC 070900050610)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Coliform, fecal general12020October 31, 202499,999% over the limit
BOD, carbonaceous [5 day, 20 C]455June 30, 202256% over the limit
Solids, total suspended544June 30, 202580% over the limit
Flow, in conduit or thru treatment plant420
pH200
Chlorine, total residual200
BOD, 5-day, 20 deg. C100
Nitrogen, ammonia total [as N]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 IL0052582.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0052582.

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How we handle your data → Privacy

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 IL0052582 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

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