Clean Water Act discharge permit · NPDES MI0055034
RIVER RIDGE MHC/CONDOS-SALINE WWTP, Saline, MI: NPDES MI0055034 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
RIVER RIDGE MHC/CONDOS-SALINE WWTP, held by River Ridge Partners, LLC, holds NPDES permit MI0055034, which discharges to Saline River. EPA’s file records it issued May 29, 2020 and expiring October 1, 2024. 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 | RIVER RIDGE MHC/CONDOS-SALINE WWTP |
|---|---|
| Permittee as filed | River Ridge Partners, LLC |
| NPDES ID | MI0055034 |
| 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 | May 29, 2020 |
| Expiration date | October 1, 2024 |
| Issuing agency | State |
| Address | Saline, MI 48176 |
| Receiving water | Saline River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Koch Warner Drain-Saline River (HUC 041000020403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 24Pollutants on file
- 24Under a numeric limit
- 24With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 16 | 131 | 53 | June 30, 2025 | 1,860% over the limit |
| Phosphorus, total [as P] | 4 | 73 | 25 | December 31, 2024 | 120% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 255 | 23 | September 30, 2025 | 420% over the limit |
| Solids, total suspended | 8 | 99 | 11 | August 31, 2023 | 280% over the limit |
| Coliform, fecal general | 2 | 56 | 11 | August 31, 2023 | 2,900% over the limit |
| Oxygen, dissolved [DO] | 2 | 66 | 8 | September 30, 2016 | 78% over the limit |
| pH | 2 | 52 | 5 | December 31, 2016 | |
| Solids, suspended percent removal | 2 | 15 | 1 | April 30, 2013 | 86% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 46 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 14 | 0 | ||
| Solids, total | 3 | 3 | 0 | ||
| Arsenic, dry weight | 3 | 3 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 3 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 3 | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 29, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| May 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.