http://projects.nytimes.com/toxic-waters/polluters/ohio
That site does not contain detailed enough information to make a jugement one way or the other. But it does say that this is related to sewage, not drinking water. My guess is that the EPA ratcheted up one of its standards, and the Girard plant, which would have been in compliance with the old standard cannot meet the new standard without a complete upgrade, an upgrade that is beyond Girard's ability to pay for. Again, that is just my guess.
Just because a facility does not meet the EPA standards does not neccisarily mean that the discharge is not clean. EPA standards are frequently made ridiculously stringent, well beyond the point of diminishing returns. Dan may have more details on this.
Clean water again?
Compare our very own Mahoning River to what it was in 1975.
We do not need more regulation. In 1975 there were no fish in the Mahoning river, they couldn't survive in it. Today you can actually eat most of the fish from the river, best kept fishing secret in the state.
I'd say that's one hell of an improvement.