Earlier editions: 2026-09
Title 9 — LAND USE CODE›Division 9 — FEES
Imperial County Municipal Code Ch. 4 California Plumbing Code
Imperial County Municipal Code · 2026-10 edition · updated 2026-10-04 · Imperial County
Cite as: Imperial County Municipal Code Chapter 4 · Text as of 2026-10-04
Footnotes:
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Editor's note— Sec. 7 of Ord. No. 1565, adopted December 15, 2020, rescinded Ch. 4, which pertained to the same subject matter, consisted of §§ 91004.00—91004.04, and derived from the prior code. Section 8 of said ordinance enacted provisions to read as herein set out.
91004.00 - Adoption of the California Plumbing Code.¶
The 2022 California Plumbing Code, including the appendices, is hereby incorporated.
(Ord. No. 1565, §§ 7, 8, 12-15-20; Ord. No. 1587, §§ 1, 2, 12-5-23)
91004.01 - Modification of the California Plumbing Code.¶
A. Table H6.9 shall be deemed to be amended to read as follows:
Disposal fields shall be constructed as follows:
| Minimum | Maximum | |
|---|---|---|
| Number of drain lines per field | 2 | —- |
| Length of each line | —- | 100 ft. (30.5 m) |
| Bottom width of trench | 18 inch (457.2 mm) | 36 inches |
| Spacing of lines, center to center | 6 feet (1.8 m) | —- |
| Depth of earth cover of lines (preferred-18 inches (457.2 mm)) | 12 inches (304.8 mm) | —- |
| Grade of lines | Level | 3 inches/100 feet (25 mm/ |
| Filter material over drain lines | 2 inches (50.8 mm) | —- |
| Minimum total length of leach lines required in area of County bounded on the east by the Highline Canal, on the west by the Westside Main Canal, on the north by Gillespie Road, and on the south by the All American Canal | 195 feet |
Minimum spacing between trenches or leaching beds shall be: four (4) feet (1.2 m) plus two (2) feet (.6m) for each additional foot (.3m) of depth in excess of one (1) foot (.3m) below the bottom of the drain line. Distribution drain lines in leaching beds shall not be more than six (6) feet (1.8mm) apart on centers and no part of the perimeter of the leaching bed shall be more than three (3) feet (.9mm) from a distribution drain line.
B. Table H6.9 shall be deemed to be amended to include the following:
| Minimum distance in clear required from: | Septic tank | Disposal field | Horizontal seepage pit |
|---|---|---|---|
| Private water cisterns and systems | 50 feet | 50 feet | 50 feet |
| Unlined canals and water delivery channel | 50 feet | 50 feet | 50 feet |
C. Table H2.1 shall be deemed to be amended to read as follows:
| Single-family dwellings number of bedrooms | Multiple dwelling units or apartment one bedrooms each | Other uses Maximum fixture unit served per Table 4-1 | Minimum septic tanks Capacity in gallons (liters) |
|---|---|---|---|
| 1—3 | 1—20 | 1,000 (3,785) | |
| 4 | 2 units | 25 | 1,200 (4,342) |
| 5 or 6 | 3 | 33 | 1,500 (5,677.5) |
| 4 | 45 | 2,000 (7,570) | |
| 5 | 55 | 2,250 (8,516.3) | |
| 6 | 60 | 2,500 (9,462.5) | |
| 7 | 70 | 2,750 (10,408.8) | |
| 8 | 80 | 3,000 (11,355) | |
| 9 | 90 | 3,250 (12,301.3) | |
| 10 | 100 | 3,500 (13,247.5) |
Extra bedroom, 150 gallons (567.8 liters) each.
Each dwelling unit over 10, 250 gallons (946.3 liters) each.
Extra fixture units over 100, 25 gallons (94.6 liter) per fixture units.
*Note: Septic tank sizes in this table include sludge storage capacity and the connection disposal of domestic food waste units without further volume increase.
(Ord. No. 1565, §§ 7, 8, 12-15-20)
91004.02 - Work not requiring a permit.¶
A. No permit shall be required for the following kinds of work: The stopping of leaks in drains, soil, waste, or vent pipe, provided however, that should any trap, drain pipe, soil, waste, or vent pipe be or become defective and it becomes necessary to remove and replace the same with new material in any part or parts, the same shall be considered new work and a permit shall be procured and inspection made, as provided by Code.
The clearing of stoppages, including the removal and reinstallation of water closets or;
The repair of leaks in pipes, valves or fixtures, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.
Exemption from the permit requirements of this Code shall not be deemed as a grant of authorization for any work to be done in violation of the provisions of the Code or any other laws or ordinances of this jurisdiction.
B. Whenever interceptor traps are installed on any lot contemporaneously with the construction or installation of a building sewer, an additional sewer permit shall be required for the connection of such trap to the appropriate inlet fitting provided in the building sewer.
(Ord. No. 1565, §§ 7, 8, 12-15-20)
91004.03 - Buildings located within two hundred feet of a public system.¶
The drainage system in every building where persons reside, congregate or are employed, which building is within two hundred (200) feet of a public sanitary sewer to which the owner of said building may lawfully connect upon proper application and the payment of the required fees shall, when there is an existing violation of any provision of this Chapter, connect to such sewer in the most direct manner possible. Existing construction: No provision of this code shall be deemed to require a change in a portion of a plumbing or drainage system or other work regulated by this code in or on an existing building or lot where such work was installed and is maintained in accordance with law in effect prior to the effective date of this code, except where such plumbing or drainage system or other work regulated by this code is determined by the Authority Having Jurisdiction to be in fact dangerous, unsafe, insanitary, or nuisance and a menace to life, health, or property.
(Ord. No. 1565, §§ 7, 8, 12-15-20)
91004.04 - Plumbing permit fees.¶
The fees for a plumbing permit shall be as established in the Imperial County Codified Ordinance Title 9, Division 9, and Sections 90901.00 through 90904.05.
(Ord. No. 1565, §§ 7, 8, 12-15-20)
91004.05 - Citation(s).¶
The Building Official or his designee(s) having the authority by Division 13 to issue citations, against any person, firm or corporation that is in violation of any provision of this ordinance and/or any section, article, or regulation of the adopted Codes, may issue a citation to effect compliance with all applicable laws, ordinances, and/or regulations.
The citation shall be issued only by duly qualified personnel and upon the format approved by the Courts.
(Ord. No. 1565, §§ 7, 8, 12-15-20)
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