Clean Water Act discharge permit · NPDES IDR10L01H

DITTRICH POND, Nampa, ID: NPDES IDR10L01H discharge permit, effluent exceedances, inspections, penalties

Not neededPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DITTRICH POND, held by Perpetual Earch Construction, holds NPDES permit IDR10L01H. EPA’s file records it issued November 29, 2021 and expiring February 26, 2022.

DITTRICH POND, Nampa, Idaho: Coverage under a general permit IDR10L01H, held by Perpetual Earch Construction; Construction stormwater; Not needed; issued November 29, 2021, term to February 26, 2022.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 517 were issued before IDR10L01H.

Coverages issued nearest IDR10L01H

November 23, 2021: CANYON BROOK PH.1, Caldwell, IDR10C04C, held by Hayden Homes Idaho, LLC
November 23, 2021: ASHTON ESTATES PH. 4, Kuna, IDR10C04D, held by Hayden Homes Idaho, LLC
November 23, 2021: MIDWAY DAIRY, Declo, IDR10C04E, held by Vanguard Renewables
November 23, 2021: ACME DAIRY, Oakley, IDR10C04F, held by Vanguard Renewables
November 24, 2021: FALCON CREST TV SOCIAL CLUB, Kuna, IDR10C04G, held by Matt Guho
November 30, 2021: WELTON ESTATES, Star, IDR10C04H, held by Green Village 2 Development
November 30, 2021: PARK AVE CONDOS, Sandpoint, IDR10C04I, held by Inhabit Development
November 30, 2021: GRAYCLIFF ESTATES PHASE 1, Meridian, IDR10C04J, held by KB Homes
November 30, 2021: RANGE 26 INFRASTRUCTURE, Boise, IDR10C04K, held by Knife River Corporation - Mountain West
November 30, 2021: NAMPA WASTEWATER TREATMENT PLANT, Nampa, IDR10C04L, held by Lamar Parker

DITTRICH POND among its neighbors

EPA’s permit file holds 360 discharge permits in the Mason Creek subwatershed (HUC 170501140407), IDR10L01H among them.

Other permits in the Mason Creek subwatershed (HUC 170501140407)

10 MILE RETAIL, Meridian: IDR10037Z, not classed
1209 ANDY LANE TRUCK YARD, Caldwell: IDR1002I9, not classed
17270 NORTHSIDE BOULEVARD, Nampa: IDR10L0KV, not classed
22102 FRANKLIN BLVD & KARCHER RD INT, Nampa: IDR10L0E1, not classed
4-LOT FLEX BUILDING SUBDIVISION, Caldwell: IDR1002R2, not classed
500 LATERAL RELOCATION, Caldwell: IDR10026E, not classed
620 N. 39TH STREET NORTH BUILDING, Nampa: IDR10L07V, not classed
ABC ROOFING SUPPLY COMPANY, Nampa: IDR1000K1, not classed
ADAMS RIDGE APARTMENTS, Nampa: IDR10C27V, minor permit, discharging to Mason Creek, permit term to February 9, 2027
ADAMS RIDGE SUBDIVISION NO 7, Nampa: IDR10C0UC, minor permit, discharging to MIDDLE LATERAL, permit term to February 9, 2027

What the register holds for DITTRICH POND: its NPDES ID, its permit type and status, its dates, its address in Nampa, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10L01H.

Identity

Facility as filed	DITTRICH POND
Permittee as filed	Perpetual Earch Construction
NPDES ID	IDR10L01H
Permit status	Not needed
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	November 29, 2021
Expiration date	February 26, 2022
Address	Nampa, ID 83638
Receiving water impaired	303(D) Listed
Subwatershed	Mason Creek (HUC 170501140407)

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 IDR10L01H.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10L01H.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10L01H.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IDR10L01H.

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, IDR10L01H.

Start the watch

How we handle your data → Privacy

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

DITTRICH POND is listed among the 208 storm water construction permits on EPA's NPDES register in Nampa, of which 0.0% carry a violation on file. The Mason Creek subwatershed holds 360 NPDES permits, including this permit. Of all 84 storm water construction permits in Nampa, including this permit, 60.7% have an earlier issue date.