Clean Water Act discharge permit · NPDES WI0036790
HIGHLAND WASTEWATER TREATMENT FACILITY, Highland, WI: NPDES WI0036790 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
HIGHLAND WASTEWATER TREATMENT FACILITY, held by Highland Village WWTF, holds NPDES permit WI0036790. EPA’s file records it issued June 30, 2009 and expiring June 30, 2014. 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 | HIGHLAND WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Highland Village WWTF |
| NPDES ID | WI0036790 |
| 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 |
| Program | Publicly owned treatment works |
| Issued | June 30, 2009 |
| Expiration date | June 30, 2014 |
| Address | Highland, WI 53543 |
| Subwatershed | Sixmile Branch (HUC 070700051404) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 10Pollutants on file
- 0Under a numeric limit
- 10With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 136 | 4 | August 31, 2025 | 99,999% over the limit |
| Solids, total suspended | 0 | 133 | 1 | March 31, 2020 | 157% over the limit |
| Nitrogen, total [as N] | 0 | 120 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 120 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 120 | 0 | ||
| Chloride [as Cl] | 0 | 87 | 0 | ||
| pH | 0 | 56 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 56 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 28 | 0 | ||
| Phosphorus, total [as P] | 0 | 28 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 4, 2020 | WW SSO - Discharge to Waters | ST6 |
| May 4, 2018 | WW SSO - Discharge to Waters | ST6 |
| July 10, 2017 | WW SSO - Discharge to Waters | 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.
Watch this permit
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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 WI0036790 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.