Clean Water Act discharge permit · NPDES MA0000531
BOSTON SAND & GRAVEL CO, Charlestown, MA: NPDES MA0000531 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
BOSTON SAND & GRAVEL CO, held by BOSTON SAND AND GRAVEL, holds NPDES permit MA0000531, which discharges to Charles River Via Millers River. EPA’s file records it issued September 28, 2007 and expiring August 31, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BOSTON SAND & GRAVEL CO |
|---|---|
| Permittee as filed | BOSTON SAND AND GRAVEL |
| NPDES ID | MA0000531 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 28, 2007 |
| Expiration date | August 31, 2012 |
| Address | Charlestown, MA 02129 |
| Receiving water | CHARLES RIVER VIA MILLERS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Charles River-Frontal Boston Harbor (HUC 010900010704) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 28Under a numeric limit
- 28With a violation of any kind
- 3With 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 | 2 | 4 | 4 | December 31, 2013 | 89% over the limit |
| Sulfate, total [as SO4] | 2 | 7 | 3 | March 31, 2020 | 297% over the limit |
| Turbidity | 2 | 5 | 1 | February 28, 2002 | |
| pH | 3 | 6 | 0 | ||
| Copper, total [as Cu] | 2 | 3 | 0 | ||
| Aluminum, total [as Al] | 2 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 2 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Specific conductance | 1 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Alkalinity, total [as CaCO3] | 1 | 2 | 0 | ||
| Solids, total | 1 | 2 | 0 | ||
| Carbon, tot organic [TOC] | 1 | 2 | 0 | ||
| Calcium, total [as Ca] | 1 | 2 | 0 | ||
| Magnesium, total [as Mg] | 1 | 2 | 0 | ||
| Cadmium, total [as Cd] | 1 | 2 | 0 | ||
| Chromium, total [as Cr] | 1 | 2 | 0 | ||
| Lead, total [as Pb] | 1 | 2 | 0 | ||
| Nickel, total [as Ni] | 1 | 2 | 0 | ||
| Zinc, total [as Zn] | 1 | 2 | 0 | ||
| Chlorine, total residual | 1 | 2 | 0 | ||
| Ammonia [as N] + unionized ammonia | 1 | 2 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 2 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 1 | 2 | 0 | ||
| NOEL Static 7Day Chronic Ceriodaphnia dubia | 1 | 2 | 0 | ||
| Noel Static 7Day Chronic Pimephales | 1 | 2 | 0 | ||
| Priority Pollutants | 0 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 |
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 MA0000531.
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 MA0000531 there.
Nearby on the register
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- Every permit record in Charlestown, A to Z
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.