SIP Proposal: Michigan (revisions to minor source permitting rules).

SIP Proposal: Michigan (revisions to minor source permitting rules).

SIP Proposal: Arizona (regional haze progress report).

SIP Proposal: Arizona (regional haze progress report).

SIP Proposal: Arizona (regional haze progress report).

SIP Proposal: Arizona (regional haze progress report).

SIP Proposal: Arizona (regional haze progress report).

EPA announced the requirements under the America's Water Infrastructure Act for community water systems serving more than 3,300 persons to complete risk and resilience assessments and emergency response plans; the Agency also outlined how community water systems can certify the completion of these documents to EPA.

EPA announced the requirements under the America's Water Infrastructure Act for community water systems serving more than 3,300 persons to complete risk and resilience assessments and emergency response plans; the Agency also outlined how community water systems can certify the completion of these documents to EPA.

EPA announced the requirements under the America's Water Infrastructure Act for community water systems serving more than 3,300 persons to complete risk and resilience assessments and emergency response plans; the Agency also outlined how community water systems can certify the completion of these documents to EPA.