# 35 Ill. Adm. Code 6110.611.607: Section 611.607 More Frequent Monitoring and Confirmation Sampling

> Illinois · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_607

## Section

- **Citation:** 35 Ill. Adm. Code 6110.611.607
- **Heading:** Section 611.607 More Frequent Monitoring and Confirmation Sampling
- **Jurisdiction:** Illinois
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Illinois Administrative Code / Title 35  /  / Part 6110  / Section 611.607 More Frequent Monitoring and Confirmation Sampling

## Text

Section 611
TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE F: PUBLIC WATER SUPPLIES
CHAPTER I: POLLUTION CONTROL BOARD
PART 611 PRIMARY DRINKING WATER STANDARDS
SECTION 611.607 MORE FREQUENT MONITORING AND CONFIRMATION SAMPLING
Section 611.607  More
Frequent Monitoring and Confirmation Sampling
This Section corresponds with 40
CFR 141.23(g), which authorizes the states to require more frequent monitoring
and confirmation sampling than is required under federal law.  This statement
maintains structural consistency with the corresponding federal rules.

## Nearby sections

- [35 Ill. Adm. Code 6110.611.601 Section 611.601  Monitoring Frequency](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_601.md)
- [35 Ill. Adm. Code 6110.611.602 Section 611.602  Asbestos Monitoring Frequency](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_602.md)
- [35 Ill. Adm. Code 6110.611.603 Section 611.603  Inorganic Monitoring Frequency](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_603.md)
- [35 Ill. Adm. Code 6110.611.606 Section 611.606  Confirmation Samples](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_606.md)
- [35 Ill. Adm. Code 6110.611.607 Section 611.607  More Frequent Monitoring and Confirmation Sampling](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_607.md)
- [35 Ill. Adm. Code 6110.611.608 Section 611.608  Additional Optional Monitoring](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_608.md)
- [35 Ill. Adm. Code 6110.611.609 Section 611.609  Determining Compliance](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_609.md)
- [35 Ill. Adm. Code 6110.611.611 Section 611.611  Inorganic Analysis](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_611.md)
- [35 Ill. Adm. Code 6110.611.612 Section 611.612  Monitoring Requirements for Old Inorganic MCLs](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_612.md)
- [35 Ill. Adm. Code 6110.611.631 Section 611.631  Special Monitoring for Inorganic Chemicals (Repealed)](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_631.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P6110_S611_607. Check the current official text before relying on it. Not legal advice.