Clean Water Act discharge permit · NPDES MTX000161
LINLEE LAKES SUBDIVISION, Billings, MT: NPDES MTX000161 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
LINLEE LAKES SUBDIVISION, held by AQUANET INC LINLEE LAKE ESTATE, holds NPDES permit MTX000161, which discharges to Groundwater. EPA’s file records it issued July 14, 2006 and expiring August 31, 2011. 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 | LINLEE LAKES SUBDIVISION |
|---|---|
| Permittee as filed | AQUANET INC LINLEE LAKE ESTATE |
| NPDES ID | MTX000161 |
| 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 | July 14, 2006 |
| Expiration date | August 31, 2011 |
| Issuing agency | MONTANA DEQ |
| Address | Billings, MT 59106 |
| Receiving water | GROUNDWATER |
| Subwatershed | Valley Creek (HUC 100700040503) |
| 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
- 13Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 4 | 228 | 81 | June 30, 2026 | 408% over the limit |
| Nitrogen, nitrate total [as N] | 3 | 20 | 20 | June 30, 2014 | 41% over the limit |
| Coliform, fecal general | 3 | 4 | 4 | September 30, 2011 | 400% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 2 | 89 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 78 | 0 | ||
| E. coli, MTEC-MF | 0 | 66 | 0 | ||
| Phosphorus, total [as P] | 4 | 64 | 0 | ||
| Chloride [as Cl] | 3 | 60 | 0 | ||
| Specific conductance | 3 | 57 | 0 | ||
| Water level at sample collection time | 3 | 57 | 0 | ||
| Flow rate | 4 | 50 | 0 | ||
| Solids, total suspended | 2 | 31 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 28 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 18 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 1, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| December 1, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| December 1, 2021 | Permit Violations - CWA §308 Failure to submit required permit application information | ST6 |
| December 1, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 1, 2021 | Effluent Violations - Numeric effluent violation | 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, MTX000161.
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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 MTX000161 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.