Sometimes it is okay for raw sewage discharges inland?

Only if you're a government entity.  I bet if Maid of the Mist discharged raw sewage there would be consequences.

Billowing, black sewer discharge at Niagara Falls alarms businesses, tourists

Seattle treatment plant spewing millions of gallons of untreated waste

Seattle plant failure dumps millions of gallons of sewage

Hillary's shitter was full.

DNC tour bus dumps human waste into storm drain

What's that quote about politicians and diapers?  Something about changing them often and for the same reason?

Health officials warn public to avoid contact w/Patapsco River near Ellicott City due to sewage spill.

Excessive fecal bacteria found in Maryland waterways

"The sources of the pollution is believed to be a combination of human waste from septic or sewer systems, as well as animal waste washed off the land."

Baltimore sewer spilling 15 gallons per hour.

BALTIMORE (WBFF) -- Baltimore City Dept. of Public Works (DPW) officials estimate that a broken 21-inch sewer main is leaking 15 gallons per hour into Chinquapin Run near Loch Raven Boulevard.

Baltimore cleaning up after 3 sewage overflows.

Baltimore cleaning up after 3 sewage overflows. - June 29, 2015.

"Public works officials confirmed that 150,000 gallons of wastewater entered the Patapsco River"