Clean Water Act discharge permit · NPDES WI0020192
HARTFORD WATER POLLUTION CONTROL FACILITY, Hartford, WI: NPDES WI0020192 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
HARTFORD WATER POLLUTION CONTROL FACILITY, held by Hartford Water Pollution Control Facility, holds NPDES permit WI0020192, which discharges to Rubicon R. EPA’s file records it issued June 29, 2012 and expiring June 30, 2017. 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 | HARTFORD WATER POLLUTION CONTROL FACILITY |
|---|---|
| Permittee as filed | Hartford Water Pollution Control Facility |
| NPDES ID | WI0020192 |
| 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 | June 29, 2012 |
| Expiration date | June 30, 2017 |
| Address | Hartford, WI 53027 |
| Receiving water | RUBICON R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters Rubicon River (HUC 070900010302) |
| Program components on file | Biosolids, POTW |
| 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
- 14Pollutants on file
- 11Under a numeric limit
- 13With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Chloride [as Cl] | 5 | 35 | 23 | February 28, 2026 | 19% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 26 | 2 | February 29, 2004 | 45% over the limit |
| Phosphorus, total [as P] | 5 | 20 | 2 | July 31, 2002 | 7% over the limit |
| Nitrogen, ammonia total [as N] | 10 | 19 | 1 | February 29, 2004 | 42% over the limit |
| Oxygen, dissolved [DO] | 1 | 7 | 1 | September 30, 2021 | 4% over the limit |
| Mercury, total recoverable | 2 | 159 | 0 | ||
| Nitrogen, total [as N] | 0 | 78 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 78 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 78 | 0 | ||
| Coliform, fecal general | 1 | 47 | 0 | ||
| Solids, total suspended | 5 | 36 | 0 | ||
| pH | 2 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Temperature, water deg. fahrenheit | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2021 | WW SSO - Discharge to Waters | ST6 |
| February 23, 2020 | Effluent Violations - Failed Toxicity Test | 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 October 14, 2026.