Clean Water Act discharge permit · NPDES MTX000142
WILDFLOWER SUBDIVISION, Hamilton, MT: NPDES MTX000142 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
WILDFLOWER SUBDIVISION, held by WILDFLOWER SUBDIVISION HOA, holds NPDES permit MTX000142, which discharges to Class I Ground Water. EPA’s file records it issued October 13, 2011 and expiring November 30, 2016. 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 | WILDFLOWER SUBDIVISION |
|---|---|
| Permittee as filed | WILDFLOWER SUBDIVISION HOA |
| NPDES ID | MTX000142 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 13, 2011 |
| Expiration date | November 30, 2016 |
| Address | Hamilton, MT 59840 |
| Receiving water | CLASS I GROUND WATER |
| Subwatershed | Lower Skalkaho Creek (HUC 170102050904) |
| SIC | 8811 – Private Households |
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
- 21Pollutants on file
- 9Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 4 | 50 | 24 | December 31, 2020 | 265% over the limit |
| Nitrogen, total, percent removal [%] | 0 | 17 | 15 | June 30, 2026 | |
| Phosphorus, total [as P] | 5 | 31 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 25 | 0 | ||
| Chloride [as Cl] | 1 | 23 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 22 | 0 | ||
| Specific conductance | 0 | 18 | 0 | ||
| Water level at sample collection time | 0 | 18 | 0 | ||
| Flow rate | 2 | 14 | 0 | ||
| Coliform, fecal general | 0 | 14 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 10 | 0 | ||
| Depth, max of sample | 0 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 8 | 0 | ||
| E. coli, MTEC-MF | 0 | 8 | 0 | ||
| pH | 0 | 6 | 0 | ||
| Count of samples collected in reporting period | 0 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 4 | 0 | ||
| Solids, total suspended | 0 | 4 | 0 | ||
| Conductivity | 1 | 3 | 0 | ||
| Solids, total dissolved | 1 | 3 | 0 | ||
| Biochemical oxygen demand-5 | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 9, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| January 9, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 9, 2024 | Reporting Violations - Failure to Submit DMRs | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTX000142.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MTX000142 there.
Nearby on the register
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- Every permit record in Hamilton, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.