Clean Water Act discharge permit · NPDES IDR10C04P
HERON RIDGE NO. 2, Nampa, ID: NPDES IDR10C04P discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HERON RIDGE NO. 2, held by MWT, LLC, holds NPDES permit IDR10C04P, which discharges to Lake Lowell. EPA’s file records it issued November 30, 2021 and expiring February 16, 2022. 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.
What the register holds for HERON RIDGE NO. 2: its NPDES ID, its permit type and status, its dates, its address in Nampa, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C04P.
Identity
| Facility as filed | HERON RIDGE NO. 2 |
|---|---|
| Permittee as filed | MWT, LLC |
| NPDES ID | IDR10C04P |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | November 30, 2021 |
| Expiration date | February 16, 2022 |
| Address | Nampa, ID 83686 |
| Receiving water | Lake Lowell |
| Subwatershed | Lower Indian Creek (HUC 170501140507) |
| NAICS | 236115 – New Single-Family Housing Construction [except For-Sale Builders] |
| SIC | 1521 – Single-Family Housing Construction |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C04P.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C04P.
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, IDR10C04P.
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 IDR10C04P there.
Nearby on the register
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- Every permit record in Idaho, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.