///Commercial Septic Tank Permit Requirements

Commercial Septic Tank Permit Requirements

A Commercial Septic Tank Permit is required for new construction of a business with a septic system.

Appointments are required to submit your application. Call (702) 759-0660 to scheduled an appointment.

New Location:

Southern Nevada Health District Main Facility
280 S. Decatur Blvd.
Las Vegas, NV 89107

The counter is open Monday – Friday, 8 a.m. until 3:30 p.m. (Closed 12:30 p.m. – 1:30 p.m. for lunch).

The permit fee is $1,109 and is due when you submit the paperwork.

Cash, debit, Visa, MasterCard, money order, cashier’s checks, and business checks are accepted at all locations except Laughlin. At the Laughlin location cash is not accepted.

  1. One set of building plans which shall include floor plans showing all plumbing fixtures (actual and proposed) which will connect to the septic system.
    • This shall include the calculation sheet showing total fixture breakdown (actual and proposed) and the method of calculating the liquid capacity of the septic tank as per health district Regulations Governing Individual Sewage Disposal Systems, Section 2.3 and Tables II & III. PDF 1MB
    • If more than one method of calculation is possible, then each method must be made and submitted for review. The septic system will be designed for the larger of these calculations.
  2. Legal description, Tax Assessor’s parcel number and copy of recorded deed for the property.
  3. A Plot and Grading Plan, prepared by a registered engineer, showing:
    • Lot lines, including dimensions
    • All structures, proposed, actual, and temporary (with exception of construction shacks)
    • Driveway, parking lots and bumpers (if applicable)
    • Location of well and/or neighboring wells (if applicable)
    • Water lines, mains, and fire hydrants
    • Watercourses, (wash, flood control channel, etc.)
    • Street name(s) and directional arrow
    • Septic tank and leach field location, including leach field dimensions and leach lines
    • Distances from septic system to well, property line, structures, etc.
    • Depth to water table and bedrock
    • Barriers preventing vehicular traffic over the septic system
    • Invert elevations for piping related to sewage disposal
    • Mechanical plumbing plans for condensate waste lines/evaporative cooler overflow lines to the septic system through indirect drain and interceptor
  4. A minimum of one soil borings and two percolation tests, taken by a registered engineer, architect or surveyor at the location of the proposed leach field site.
  5. A statement from the registered engineer regarding the location of the property in relationship to the 50-year flood plain.
  6. Water:
    • If property is served by municipal water, a “will-serve” letter from the water utility is required.
    • If property is served by commercial well, the permit number and a copy of the Well Driller’s Log is required.
  7. If property has been divided by parcel map, provide copy of recorded parcel map.
  8. Additional information may be required and will be determined on an individual basis.

Commercial Requirements for ISDS

Sewage Flow Quantity per Fixture

Fixture Type

Private Use

Public Use

Bar sink

1

2

Bathtubs (with or without shower above)

2

4

Bidets

2

2

Dental units or cuspidors

1

Drinking fountains (each head)

1

2

Floor drains

2

2

Interceptors for grease, oil, solids, etc.

3

3

Interceptors of sand, Auto wash, etc.

6

Laundry tubs

1

2

Clothes washers

2

4

Receptors (floor sinks) indirect waste receptors for refrigerators, coffee urns, water stations, etc.

1

1

Receptors, indirect receptors for commercial sinks, dishwashers, air washers

3

Showers (each head)

2

4

Sinks, commercial or industrial, schools, etc. (including dishwashers, wash-up sinks & wash fountains, 2″ min. waste)

4

Sinks, flushing rim, clinic

10

Sinks, and/or dishwashers (residential, 2″ min waste)

2

Sinks, service

3

3

Trailer park traps (one for each trailer)

6

6

Urinals, pedestal

10

Urinals, stall

5

Urinals, wall (2″ min waste)

5

Wash basins (lavatories) single

1

1

Wash basins, in sets

2

2

Water closets (flush tanks)

4

5

Water closets (flushometer valve)

6

10

 

Minimum Fixture Units Served

Minimum Liquid Capacity Tank in Gallons

Required Absorption Bottom
Area for Seepage Beds or
Sidewall Area for Seepage Pits and Trenches

Percolation Rate

3

4

5

10

15

30

45

60

0 – 20

1000

350

400

450

635

775

1100

1345

1550

21 – 25

1200

420

480

540

760

935

1315

1610

1860

26 – 35

1500

520

600

710

950

1165

1645

2015

2325

36 – 45

2000

700

800

900

1272

1550

2200

2690

3100

46 – 55

2250

788

900

1013

1429

1744

2475

3027

3488

56 – 60

2500

875

1000

1125

1588

1940

2750

3363

3875

61 – 70

2750

963

1100

1238

1747

2132

3025

3699

4263

71 – 80

3000

1050

1200

1350

1905

2325

3300

4035

4650

81 – 90

3250

1138

1300

1463

2064

2519

3575

4371

91 – 100

3500

1225

1400

1575

2223

2713

3850

4708

Percolation Rate
3
4
5
10
15
30
45
60

Fixture units over 100 – 25 gallons per fixture unit

Contact Information

Phone: (702) 759-0660

Make a Complaint

 

Updated on: October 11, 2018

2018-10-11T15:11:50-07:00