Clean Water Act discharge permit · NPDES MA0100609
IPSWICH W W T F, Ipswich, MA: NPDES MA0100609 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
IPSWICH W W T F holds NPDES permit MA0100609, which discharges to Greenwood Creek To Ipswich River. EPA’s file records it issued February 19, 2003 and expiring February 28, 2008. 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 | IPSWICH W W T F |
|---|---|
| Permittee as filed | IPSWICH W W T F |
| NPDES ID | MA0100609 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 19, 2003 |
| Expiration date | February 28, 2008 |
| Address | Ipswich, MA 01938 |
| Receiving water | GREENWOOD CREEK TO IPSWICH RIVER |
| Subwatershed | Lower Ipswich River (HUC 010900010205) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 16Under a numeric limit
- 28With a violation of any kind
- 14With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 172 | 163 | November 30, 2014 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 30 | 29 | June 30, 2015 | 633% over the limit |
| Copper, total [as Cu] | 6 | 31 | 21 | June 30, 2021 | 728% over the limit |
| pH | 2 | 12 | 8 | June 30, 2019 | |
| BOD, 5-day, 20 deg. C | 7 | 17 | 7 | June 30, 2019 | 487% over the limit |
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 1 | 10 | 7 | February 28, 2017 | 94% over the limit |
| NOEL Static 4Day Chronic Menidia | 1 | 10 | 6 | May 31, 2015 | 94% over the limit |
| LC50 Static 48Hr Acute Menidia | 1 | 12 | 2 | August 31, 2003 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 6 | 2 | May 31, 2006 | 73% over the limit |
| Noel Static 4Day Chronic Arbacia | 1 | 5 | 2 | November 30, 2007 | 99,999% over the limit |
| Solids, total suspended | 7 | 11 | 1 | October 31, 2012 | 22% over the limit |
| LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 0 | 7 | 1 | October 31, 2001 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 1 | July 31, 2012 | 33% over the limit |
| Oxygen, dissolved [DO] | 1 | 3 | 1 | June 30, 2019 | 7% over the limit |
| Noel Statre 7Day Chronic Menidia | 0 | 6 | 0 | ||
| Nitrogen, total [as N] | 2 | 4 | 0 | ||
| LC50 Static 48Hr Acute Arbacia | 1 | 3 | 0 | ||
| Solids, settleable | 0 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 2 | 0 | ||
| Selenium, sludge, total, dry weight [as Se] | 0 | 2 | 0 | ||
| Arsenic total, dry weight, sludge | 0 | 2 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 2 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 2 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 2 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 2 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 2 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 0 | 2 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 0 | 2 | 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 MA0100609.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MA0100609 there.
Nearby on the register
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- Every permit record in Ipswich, A to Z
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.