Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES IL0002305

CHEVRON ENVIRONMENTAL MANAGEMENT COMPANY, Lockport, IL: NPDES IL0002305 discharge permit, effluent exceedances, inspections, penalties

CHEVRON ENVIRONMENTAL MANAGEMENT COMPANY holds NPDES permit IL0002305, which discharges to Il/Michigan Canal/Deep Run Crk/ Chicago San Ship. EPA’s file records it issued April 4, 2018 and expiring April 30, 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 filedCHEVRON ENVIRONMENTAL MANAGEMENT COMPANY
Permittee as filedCHEVRON ENVIRONMENTAL MANAGEMENT COMPANY
NPDES IDIL0002305
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
IssuedApril 4, 2018
Expiration dateApril 30, 2023
AddressLockport, IL 60441
Receiving waterIL/MICHIGAN CANAL/DEEP RUN CRK/ CHICAGO SAN SHIP
Receiving water impaired303(D) Listed
SIC5171 – Petroleum Bulk Stations & Terminals
Other EPA IDs (FRS)RCRA handler ILD041518861; ICIS-AIR source IL000197810AAA

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
BOD, carbonaceous [5 day, 20 C]262April 30, 201055% over the limit
pH622December 31, 2011
Solids, total suspended211August 31, 201114% over the limit
Flow, in conduit or thru treatment plant6110
Oil and grease600
Iron, total [as Fe]400
Acenaphthylene200
Acenaphthene200
Anthracene200
Benzo[k]fluoranthene200
Benzo[a]pyrene200
Chrysene200
Fluoranthene200
Fluorene200
Indeno[1,2,3-cd]pyrene200
Phenanthrene200
Pyrene200
Benzo[ghi]perylene200
Benzo[a]anthracene200
Dibenz[a,h]anthracene200
Naphthalene200
3,4-Benzofluoranthene200

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 IL0002305.

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, IL0002305.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 IL0002305 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 NPDES permit IL0002305 held by CHEVRON ENVIRONMENTAL MANAGEMENT COMPANY in Lockport, IL, which discharges to the IL/MICHIGAN CANAL/DEEP RUN CRK/ CHICAGO SAN SHIP receiving water. The permit is listed as administratively continued, with a discharger class of Minor, 22 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance. Per the EPA permit file, it was issued April 4, 2018 and expired April 30, 2023.