Possible for experienced DIYers with thorough code knowledge and proper tools, but professional installation is highly recommended to ensure compliance and prevent future water issues.
Relocation of a sump pit involves excavation, concrete modification, proper plumbing installation (including proper discharge and frost protection), and dedicated electrical circuitry. Compliance with IRC, NEC, and Illinois Plumbing Code, alongside DuPage County's specific climate considerations like a 42-inch frost depth, adds to the moderate complexity.
Project Guidelines & Rules
Permitting & Administration
3 Rules
Obtain necessary permits from your local building department prior to commencing any work.
2024 IRC R105.1; Illinois Plumbing Code Section 890.130
Engage licensed professionals (e.g., plumbers, electricians) for all regulated work as required by local ordinance.
Illinois Plumbing Code Section 890.130; Local Licensing Requirements
All work must be inspected by the local building department at critical stages as specified by the permit.
2024 IRC R109.1
Structural & Site Preparation
4 Rules
Any modification to concrete slabs (cutting, patching) must maintain structural integrity and be properly reinforced where required.
2024 IRC R401.3, R506.2.1
Excavation for the new pit location must not undermine existing foundations or structural elements.
2024 IRC R403.1.7, R401.1
Backfill materials around the sump pit and foundation must be compacted in lifts to prevent settlement and ensure proper drainage.
2024 IRC R401.1
The new sump pit location must be on a stable, level surface, typically on a concrete base or engineered fill.
2024 IRC R401.1 (Implied by good construction practice)
Sump Pit & Basin Specifications
3 Rules
Sump pit basin must be constructed of durable, corrosion-resistant material (e.g., polyethylene, fiberglass, or concrete) and be watertight.
Illinois Plumbing Code Section 890.1370(d)
Sump pit must be provided with a sturdy, airtight cover, secured against accidental removal and preventing the entry of debris, pests, and soil gas.
Illinois Plumbing Code Section 890.1370(e)
Sump pump and basin capacity shall be adequately sized for anticipated groundwater volume, considering local soil conditions and historical water table levels.
Illinois Plumbing Code Section 890.1370(d)
Plumbing System & Discharge
8 Rules
Discharge piping must be a minimum of 1-1/2 inches nominal pipe size.
Illinois Plumbing Code Section 890.1370(c)
A check valve must be installed on the discharge line to prevent backflow into the pit when the pump cycles off.
Illinois Plumbing Code Section 890.1370(b)
Discharge piping installed underground outdoors must be buried below the frost depth of 42 inches in DuPage County.
2024 IRC P2603.6.1; DuPage County Regional Standard
Discharge piping must terminate a minimum of 5 feet from the building foundation and graded to divert water away from the structure.
2024 IRC R401.3; Illinois Plumbing Code Section 890.1370(g)
Discharge must terminate a minimum of 20 feet from any property line or public right-of-way, or as directed by your local municipality.
Illinois Plumbing Code Section 890.1370(g); Local Municipal Ordinance
Discharge must terminate in a manner that prevents erosion, icing hazards, or nuisance conditions to adjacent properties or public areas.
2024 IRC R401.3; Illinois Plumbing Code Section 890.1370(g)
Connection of subsoil drains or sump pump discharge to a sanitary sewer system is strictly prohibited.
Illinois Plumbing Code Section 890.1370(f)
Connection to a public storm sewer system, where permitted and available, requires prior approval from your local municipality and adherence to their specific connection standards.
2024 IRC R309.2; Local Municipal Ordinance
Electrical System
4 Rules
The sump pump shall be connected to a dedicated 120-volt, individual branch circuit (typically 15-amp or 20-amp) with no other outlets or loads.
2023 NEC 210.23(A)(2)
The receptacle for the sump pump must be a grounding-type receptacle and be Ground-Fault Circuit-Interrupter (GFCI) protected.
2023 NEC 210.8(A)(4); 2023 NEC 406.4(D)(2)
All new wiring and cabling must comply with current NEC standards for conductor sizing, overcurrent protection, and installation methods.
2023 NEC Chapters 2 & 3
Electrical wiring and connections within the sump pit or potentially wet areas must be suitable for damp/wet locations.
2023 NEC Article 314; 2023 NEC 430.22
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