Clean Water Act discharge permit · NPDES MTX000150
GREEN HILLS RANCH SUBDIVISION, Bozeman, MT: NPDES MTX000150 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
GREEN HILLS RANCH SUBDIVISION, held by GREENHILLS RANCH HOMEOWNERS ASSOCIATION, holds NPDES permit MTX000150, which discharges to Class I Ground Water. EPA’s file records it issued March 30, 2011 and expiring April 30, 2016. 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 | GREEN HILLS RANCH SUBDIVISION |
|---|---|
| Permittee as filed | GREENHILLS RANCH HOMEOWNERS ASSOCIATION |
| NPDES ID | MTX000150 |
| 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 | March 30, 2011 |
| Expiration date | April 30, 2016 |
| Issuing agency | MONTANA DEQ |
| Address | Bozeman, MT 59718 |
| Receiving water | CLASS I GROUND WATER |
| Subwatershed | Lower Hyalite Creek (HUC 100200081002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 10Under a numeric limit
- 12With 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] | 6 | 46 | 18 | June 30, 2012 | 103% over the limit |
| Nitrite + Nitrate total [as N] | 2 | 32 | 5 | March 31, 2011 | 27% over the limit |
| Phosphorus, total [as P] | 4 | 28 | 0 | ||
| Flow rate | 2 | 24 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 24 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 23 | 0 | ||
| Chloride [as Cl] | 0 | 17 | 0 | ||
| Water level at sample collection time | 1 | 16 | 0 | ||
| Specific conductance | 1 | 15 | 0 | ||
| Solids, total suspended | 1 | 15 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 8 | 0 | ||
| Coliform, fecal general | 0 | 7 | 0 | ||
| E. coli, MTEC-MF | 1 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 19, 2020 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| August 19, 2020 | Management Practice Violations - Failure to Maintain Records | ST6 |
| August 19, 2020 | Monitoring Violations - Analysis not Conducted | ST6 |
| August 19, 2020 | Reporting Violations - Improper/ Incorrect Reporting | 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, MTX000150.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MTX000150 there.
Nearby on the register
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.