Clean Water Act discharge permit · NPDES CTP000060
SOLVENTUM PURIFICATION INC., Stafford Springs, CT: NPDES CTP000060 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
SOLVENTUM PURIFICATION INC., held by 3M Purification, Inc., holds NPDES permit CTP000060, which discharges to Willimantic River. EPA’s file records it issued December 28, 2007 and expiring December 31, 2012. 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.
Identity
| Facility as filed | SOLVENTUM PURIFICATION INC. |
|---|---|
| Permittee as filed | 3M Purification, Inc. |
| NPDES ID | CTP000060 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 28, 2007 |
| Expiration date | December 31, 2012 |
| Issuing agency | CT DEP |
| Address | Stafford Springs, CT 06072 |
| Receiving water | WILLIMANTIC RIVER |
| Receiving water impaired | 303(D) Listed |
| Other EPA IDs (FRS) | RCRA handler CTD043037746; ICIS-AIR source CT0000000901300055 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 20Pollutants on file
- 12Under a numeric limit
- 20With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Formaldehyde | 2 | 24 | 12 | December 31, 2025 | 382% over the limit |
| Solids, total suspended | 2 | 15 | 9 | November 30, 2025 | 208% over the limit |
| pH | 2 | 18 | 7 | April 30, 2022 | |
| pH, minimum | 0 | 4 | 4 | July 31, 2022 | |
| Zinc, total [as Zn] | 2 | 7 | 3 | February 28, 2019 | 38% over the limit |
| pH, maximum | 0 | 2 | 2 | April 30, 2023 | |
| Flow | 1 | 9 | 1 | December 31, 2006 | 5% over the limit |
| Flow, maximum during 24 hr period | 1 | 4 | 1 | December 31, 2006 | 4% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 8 | 0 | ||
| Phenols | 2 | 8 | 0 | ||
| Flow rate | 1 | 8 | 0 | ||
| Copper, total [as Cu] | 2 | 6 | 0 | ||
| Epichlorohydrin | 2 | 6 | 0 | ||
| Lead, total [as Pb] | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 0 | 3 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Duration of discharge | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 12, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| February 20, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 28, 2023 | Monitoring Violations - Analysis not Conducted | ST6 |
| March 28, 2023 | Monitoring Violations - Invalid/Unrepresentative Sample | 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.
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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 CTP000060 there.
Nearby on the register
- Discharge permits in Stafford Springs
- Every permit record in Stafford Springs, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.