Clean Water Act discharge permit · NPDES ME0101117
SACO WWTF, Saco, ME: NPDES ME0101117 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
SACO WWTF, held by SACO WASTEWATER TREATMENT FACILITY, holds NPDES permit ME0101117, which discharges to Saco River. EPA’s file records it issued September 1, 2011 and expiring August 31, 2016. 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 | SACO WWTF |
|---|---|
| Permittee as filed | SACO WASTEWATER TREATMENT FACILITY |
| NPDES ID | ME0101117 |
| 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 | September 1, 2011 |
| Expiration date | August 31, 2016 |
| Address | Saco, ME 04072 |
| Receiving water | Saco River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Camp Ellis-Saco River (HUC 010600021105) |
| Program components on file | CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MED000769919 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 20Pollutants on file
- 15Under a numeric limit
- 19With a violation of any kind
- 10With 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 MF, MFC broth, 44.5 C | 3 | 38 | 19 | July 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 7 | 97 | 16 | March 31, 2026 | 242% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 95 | 14 | December 31, 2025 | 126% over the limit |
| Chlorine, total residual | 2 | 27 | 4 | August 31, 2025 | 482% over the limit |
| Coliform, fecal general | 0 | 15 | 4 | March 31, 2010 | 99,999% over the limit |
| pH | 3 | 37 | 3 | January 31, 2023 | |
| Flow, in conduit or thru treatment plant | 4 | 61 | 1 | March 31, 2010 | 7% over the limit |
| BOD, 5-day, percent removal | 2 | 30 | 1 | March 31, 2007 | 47% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 19 | 1 | February 28, 2007 | 25% over the limit |
| Solids, settleable | 1 | 12 | 1 | August 31, 2025 | 67% over the limit |
| Solids, suspended percent removal | 2 | 30 | 0 | ||
| Copper, total [as Cu] | 0 | 22 | 0 | ||
| Overflows | 1 | 19 | 0 | ||
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 2 | 14 | 0 | ||
| NOAEL Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 14 | 0 | ||
| Priority pollutants scan [yes/no] | 0 | 9 | 0 | ||
| Mercury, total [as Hg] | 0 | 6 | 0 | ||
| Analytical Chemistry | 2 | 3 | 0 | ||
| Priority Pollutants | 1 | 1 | 0 | ||
| Arsenic, total [as As] | 2 | 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 ME0101117.
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
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, ME0101117.
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 ME0101117 there.
Nearby on the register
- Discharge permits in Saco
- Every permit record in Saco, A to Z
- Discharge permits in Maine
- Every permit record in Maine, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.