Clean Water Act discharge permit · NPDES MAR1004MW
GREATER LOWELL REGIONAL VOCATIONAL TECH HS TRACK FIELD RECONSTRUCTION PROJECT, Tyngsborough, MA: NPDES MAR1004MW discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GREATER LOWELL REGIONAL VOCATIONAL TECH HS TRACK FIELD RECONSTRUCTION PROJECT, held by Mark Heimlich, holds NPDES permit MAR1004MW. EPA’s file records it issued May 24, 2023 and expiring February 16, 2027. 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.
What the register holds for GREATER LOWELL REGIONAL VOCATIONAL TECH HS TRACK FIELD RECONSTRUCTION PROJECT: its NPDES ID, its permit type and status, its dates, its address in Tyngsborough, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1004MW.
Identity
| Facility as filed | GREATER LOWELL REGIONAL VOCATIONAL TECH HS TRACK FIELD RECONSTRUCTION PROJECT |
|---|---|
| Permittee as filed | Mark Heimlich |
| NPDES ID | MAR1004MW |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | May 24, 2023 |
| Expiration date | February 16, 2027 |
| Issuing agency | U.S. EPA |
| Address | Tyngsborough, MA 01879 |
| Subwatershed | Limit Brook-Merrimack River (HUC 010700061206) |
| Other EPA IDs (FRS) | RCRA handler MAD073807653 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1004MW.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1004MW.
Inspections
EPA’s inspection file holds no inspection for NPDES MAR1004MW.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MAR1004MW.
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, MAR1004MW.
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 MAR1004MW there.
Nearby on the register
- Discharge permits in Tyngsborough
- Every permit record in Tyngsborough, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.