Clean Water Act discharge permit · NPDES MIG580383
HAWTHORN HOLLOW GS CAMP, Columbus, MI: NPDES MIG580383 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HAWTHORN HOLLOW GS CAMP, held by Girl Scouts of Southeastern Michigan, holds NPDES permit MIG580383. EPA’s file records it issued January 8, 2020 and expiring April 1, 2024. 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 filed | HAWTHORN HOLLOW GS CAMP |
|---|---|
| Permittee as filed | Girl Scouts of Southeastern Michigan |
| NPDES ID | MIG580383 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 8, 2020 |
| Expiration date | April 1, 2024 |
| Issuing agency | State |
| Address | Columbus, MI 48063 |
| Subwatershed | Rattle Run (HUC 040900010305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 22With a violation of any kind
- 0With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 34 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 34 | 0 | ||
| pH | 2 | 34 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 34 | 0 | ||
| Coliform, fecal general | 2 | 34 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 18 | 0 | ||
| Phosphorus, total [as P] | 2 | 18 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 17 | 0 | ||
| Solids, total | 3 | 3 | 0 | ||
| Arsenic, dry weight | 3 | 3 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 3 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG580383.
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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 21, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| May 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 20, 2020 | Management Practice Violations - Failure to Maintain Records | ST6 |
| August 20, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
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, MIG580383.
Start the watch
- 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 MIG580383 there.
Nearby on the register
- Discharge permits in Columbus
- Every permit record in Columbus, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.