Clean Water Act discharge permit · NPDES MI0020575
HASTINGS WWTP, Hastings, MI: NPDES MI0020575 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 27Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
HASTINGS WWTP, held by City of Hastings, holds NPDES permit MI0020575. EPA’s file records it issued September 16, 2016 and expiring October 1, 2019. 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 | HASTINGS WWTP |
|---|---|
| Permittee as filed | City of Hastings |
| NPDES ID | MI0020575 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 16, 2016 |
| Expiration date | October 1, 2019 |
| Issuing agency | State |
| Address | Hastings, MI 49058 |
| Subwatershed | Butler Creek-Thornapple River (HUC 040500070402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 31Pollutants on file
- 27Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| Mercury, total [as Hg] | 6 | 211 | 28 | October 31, 2023 | 859% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 117 | 19 | July 31, 2023 | 215% over the limit |
| Phosphorus, total [as P] | 4 | 95 | 7 | July 31, 2018 | 80% over the limit |
| Solids, total suspended | 8 | 52 | 4 | February 28, 2018 | 422% over the limit |
| pH | 2 | 66 | 2 | January 31, 2020 | |
| Oxygen, dissolved [DO] | 2 | 27 | 2 | August 31, 2017 | 10% over the limit |
| Toxicity, choice of species | 2 | 15 | 2 | July 31, 2012 | 183% over the limit |
| Coliform, fecal general | 2 | 65 | 1 | December 31, 2016 | 25% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 100 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 64 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 0 | 40 | 0 | ||
| Perfluorooctanesulfonate | 0 | 40 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 22 | 0 | ||
| Solids, suspended percent removal | 2 | 22 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 10 | 0 | ||
| TU Static 24 Hr Acute Pimephales promelas | 0 | 7 | 0 | ||
| Static 48 Hr Chronic Pimphales Promelas | 0 | 7 | 0 | ||
| Solids, total | 3 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 0 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 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
- 17Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2024 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| August 24, 2023 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| August 24, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 14, 2019 | WW SSO - Discharge to Waters | ST6 |
| February 14, 2019 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| January 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 25, 2018 | Reporting Violations - Failure to Notify | ST6 |
| May 25, 2018 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 25, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 21, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 5, 2017 | Pretreatment - Failure to Enforce Against I/U | ST6 |
| April 5, 2017 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | 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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.