Administrative/environment
There is no right of action under the CWA for private citizens to challenge administrative noncompliance of state regulators.
While the CWA does require that authority be withdrawn from a noncompliant regulator after a hearing, as there is no explicit requirement for a hearing, there is no right of action premised on the delay in holding a hearing.
http://www.ca6.uscourts.gov/opinions.pdf/16a0005p-06.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.