Clean Water Act discharge permit · NPDES MAR100385
180 THIRD AVENUE, Waltham, MA: NPDES MAR100385 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
180 THIRD AVENUE, held by Leah Zambetti Ryan, holds NPDES permit MAR100385. EPA’s file records it issued April 13, 2021 and expiring February 15, 2022. 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.
What the register holds for 180 THIRD AVENUE: its NPDES ID, its permit type and status, its dates, its address in Waltham, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR100385.
Identity
| Facility as filed | 180 THIRD AVENUE |
|---|---|
| Permittee as filed | Leah Zambetti Ryan |
| NPDES ID | MAR100385 |
| 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 |
| Program | Construction stormwater |
| Issued | April 13, 2021 |
| Expiration date | February 15, 2022 |
| Issuing agency | U.S. EPA |
| Address | Waltham, MA 02451 |
| Subwatershed | Stony Brook (HUC 010900010702) |
| Other EPA IDs (FRS) | RCRA handler MAR000626937 |
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 MAR100385.
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 MAR100385.
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
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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 MAR100385 there.
Nearby on the register
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.