Versions of Ohio Code 6111.12 - Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations on LawServer 2024 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2023 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2020 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2018 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2016 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2015 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2014 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2013 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations 2009 Ohio Code 6111.12 – Antidegradation policy applicable to surface waters of the state pursuant to applicable federal laws and regulations