# 77 Ill. Adm. Code 890.170: Section 890.170 Sewer and/or Water Required

> Illinois · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_170

## Section

- **Citation:** 77 Ill. Adm. Code 890.170
- **Heading:** Section 890.170 Sewer and/or Water Required
- **Jurisdiction:** Illinois
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Illinois Administrative Code / Title 77 PUBLIC HEALTH / CHAPTER I: DEPARTMENT OF PUBLIC HEALTH / Part 890 ILLINOIS PLUMBING CODE / Section 890.170 Sewer and/or Water Required

## Text

Section 890
Section 890.170  Sewer and/or
Water Required
a)         Each building which is intended for human habitation or
occupancy shall have a connection to a public water system, a semi-private
water system, or a private water supply constructed in accordance with the
requirements of the Illinois Water Well Construction Code (77 Ill. Adm. Code
920) or the Surface Source Water Treatment Code ( 77 Ill. Adm. Code 930), and a
connection to a public sewer system or private sewage disposal system
constructed to the requirements of the Illinois Private Sewage Disposal Code (77
Ill. Adm. Code 905).  All installations shall also be in accordance with any
additional applicable State and local laws, ordinances, rules and regulations
and local codes.
b)         For purposes of this Section, individually owned residences
that share a common wall or ownership right and have ground floor access, such
as townhouses or rowhouses, shall be treated as separate buildings and shall
have separate connections to a public water system, a semi-private water system
or a private water supply as required in subsection (a) of this Section.  However,
such individually owned residences established as part of a condominium
association may use a single water supply service line from the public water
supply to a centralized location, such as an exterior manifold or meter room
with independent shutoff valves to each unit.  There shall be a main shutoff
valve at the property line.  Such arrangements shall comply with requirements
set forth by the local water department or water authority.
c)         Private Water Supply Interconnection.
1)         A
private water supply shall not be interconnected with a public water system
unless it is located and constructed in accordance with the Water Well
Construction Code (77 Ill. Adm. Code 920) and Water Well and Pump Installation
Code (77 Ill. Adm. Code 925), and the public water system is protected against
backflow and back siphonage as specified in Section 890.1130
Interconnection.
1)         A
private water supply shall not be interconnected with a public water system
unless it is located and constructed in accordance with the Water Well
Construction Code (77 Ill. Adm. Code 920) and Water Well and Pump Installation
Code (77 Ill. Adm. Code 925), and the public water system is protected against
backflow and back siphonage as specified in Section 890.1130.
2)         No
physical connection shall be permitted between the potable water system and any
non-potable water source.
d)         All plumbing fixtures, drains, appurtenances, and appliances
used to receive or discharge sanitary waste shall be connected to the drainage
system of the building or premises in accordance with the requirements of this
Part.

## Nearby sections

- [77 Ill. Adm. Code 890.110 Section 890.110  Applicability](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_110.md)
- [77 Ill. Adm. Code 890.120 Section 890.120  Definitions](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_120.md)
- [77 Ill. Adm. Code 890.130 Section 890.130  Incorporated and Referenced Materials](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_130.md)
- [77 Ill. Adm. Code 890.140 Section 890.140  Compliance with this Part](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_140.md)
- [77 Ill. Adm. Code 890.150 Section 890.150  Workmanship](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_150.md)
- [77 Ill. Adm. Code 890.160 Section 890.160  Used Plumbing Material, Equipment, Fixtures](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_160.md)
- [77 Ill. Adm. Code 890.170 Section 890.170  Sewer and/or Water Required](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_170.md)
- [77 Ill. Adm. Code 890.180 Section 890.180  Sewer and Water Pipe Installation](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_180.md)
- [77 Ill. Adm. Code 890.190 Section 890.190  Piping Measurements](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_190.md)
- [77 Ill. Adm. Code 890.200 Section 890.200  Operation of Plumbing Equipment](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_200.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_170. Check the current official text before relying on it. Not legal advice.