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Title 327 - Water Pollution Control Division

Environmental Rules Board (Water Pollution Control Division)
Rule Name, LSA #, and Subject Matter Contact for Questions and Submission of Comments * Rule Actions and Comment Periods Public Hearings, and Anticipated Adoption and Effective Dates **
Lead and Copper and Drinking Water Reference Updates
#24-428

Amends 327 IAC 8 concerning updates to the Lead and Copper National Primary Drinking Water Regulations at 40 CFR 141, replaces existing federal language in the state rule with the incorporation by reference of the federal rules for all drinking water standards, and updates the AWWA and ASTM drinking water standard references throughout Article 8.
Krystal Hackney
Rules Development Branch
Office of Legal Counsel

Indiana Department of Environmental Management
100 North Senate Avenue
Indianapolis, IN  46204

Phone: (317) 232-3158
Fax: (317) 233-5970
E-mail:  KHackney1@idem.in.gov

Notice of First Public Comment Period
DIN: 20241113-IR-327240428FNA
Comment Period:
11/14/2024 - 12/13/2024

Regulatory Analysis
DIN: 20241113-IR-327240428RAA

Notice of Second Public Comment Period
DIN: 20250430-IR-327240428SNA
Comment Period 04/30/2025 - 5/30/2025

Notice of Request for Extension DIN: 20250618-IR-327240428ARA 

Regulatory Analysis DIN: 20250820-IR-327240428RAA

Notice of Third Comment Period DIN: 20250820-IR-327240428APA Comment Period: 08/20/2025 – 9/19/2025
Public Hearing: Preliminary Adoption
03/12/2025
DIN: 20241113-IR-327240428PHA

Public Hearing: Final Adoption
10/09/2025
DIN: 20250820-IR-327240428PHA
10/16/2025
DIN: 20250910-IR-327240428CHA 

* Copies of rules, comments, and the agency's written response to those comments are open for public inspection at the Office of Legal Counsel, Indiana Department of Environmental Management, Indiana Government Center North, 100 North Senate Avenue, Thirteenth Floor East, Indianapolis, Indiana.

** After a rule is final adopted, IDEM must provide the complete administrative record to the Attorney General’s office in the form of a “promulgation packet.” The Attorney General’s office then has forty-five (45) days to review the rule for form and legality before submitting it to the Governor for signature. The Governor has fifteen (15) days to sign or reject the rule and may request an additional fifteen (15) days if necessary. After signature, the rule is submitted to the Legislative Services Agency for publication in the Indiana Register. Unless specifically stated in the rule, the rule becomes effective thirty (30) days after filing with Legislative Services.

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