# 77 Ill. Adm. Code 890.1110: Section 890.1110 Quality of Water Supply

> Illinois · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1110

## Section

- **Citation:** 77 Ill. Adm. Code 890.1110
- **Heading:** Section 890.1110 Quality of Water Supply
- **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 890.1110 Quality of Water Supply

## Text

Section 890
Section 890.1110  Quality of
Water Supply
All premises intended for human
habitation or occupancy shall be provided with a potable water supply.  The
potable water supply shall not be connected to non-potable water and shall be
protected from backflow and back siphonage. (See Appendix I.Illustration A.)

## Nearby sections

- [77 Ill. Adm. Code 890.1110 Section 890.1110  Quality of Water Supply](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1110.md)
- [77 Ill. Adm. Code 890.1120 Section 890.1120  Color Code](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1120.md)
- [77 Ill. Adm. Code 890.1130 Section 890.1130  Protection of Potable Water](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1130.md)
- [77 Ill. Adm. Code 890.1140 Section 890.1140  Special Applications and Installations](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1140.md)
- [77 Ill. Adm. Code 890.1150 Section 890.1150  Water Service Pipe Installation](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1150.md)
- [77 Ill. Adm. Code 890.1160 Section 890.1160  Potable Water Pumping and Storage Equipment](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1160.md)
- [77 Ill. Adm. Code 890.1170 Section 890.1170  Potable Water Supply Tanks and Auxiliary Pressure Tanks](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1170.md)
- [77 Ill. Adm. Code 890.1180 Section 890.1180  Flushing/Disinfection of Potable Water System](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1180.md)
- [77 Ill. Adm. Code 890.1190 Section 890.1190  Water Supply Control Valves and Meter](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1190.md)
- [77 Ill. Adm. Code 890.1200 Section 890.1200  Water Service Sizing](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1200.md)
- [77 Ill. Adm. Code 890.1210 Section 890.1210  Design of a Building Water Distribution System](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1210.md)
- [77 Ill. Adm. Code 890.1220 Section 890.1220  Hot Water Supply and Distribution](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1220.md)
- [77 Ill. Adm. Code 890.1230 Section 890.1230  Safety Devices](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1230.md)
- [77 Ill. Adm. Code 890.1240 Section 890.1240  Miscellaneous](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1240.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T77_P890_S890_1110. Check the current official text before relying on it. Not legal advice.