Clean Water Act discharge permit · NPDES MIG580037
YALE-AVOCA ELEMENTARY SCHOOL, Avoca, MI: NPDES MIG580037 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
YALE-AVOCA ELEMENTARY SCHOOL, held by Yale Public Schools, holds NPDES permit MIG580037, which discharges to Mill Creek. EPA’s file records it issued September 29, 2023 and expiring April 1, 2024. 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 | YALE-AVOCA ELEMENTARY SCHOOL |
|---|---|
| Permittee as filed | Yale Public Schools |
| NPDES ID | MIG580037 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 29, 2023 |
| Expiration date | April 1, 2024 |
| Issuing agency | State |
| Address | Avoca, MI 48006 |
| Receiving water | Mill Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mill Creek (HUC 040900010212) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 22With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 52 | 6 | October 31, 2025 | 53% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 51 | 3 | April 30, 2026 | 40% over the limit |
| Coliform, fecal general | 2 | 49 | 1 | May 31, 2017 | 4% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 52 | 0 | ||
| pH | 2 | 49 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 29 | 0 | ||
| Phosphorus, total [as P] | 2 | 29 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 24 | 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
- 25Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 5, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| June 5, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 7, 2017 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| May 25, 2017 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 25, 2017 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 25, 2017 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| May 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 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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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 MIG580037 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.