Over the holiday weekend, many people looking to cool off from the summer heat were disappointed as some beaches were closed or authorities advised against swimming because of unsafe levels of bacteria. The advisories and closures popped up across the East Coast, from Florida to Maine, along inland streams and rivers, and throughout the California coast. The culprit: fecal contamination detected in the water that presents a risk of illness. … Experts told USA TODAY that stormwater runoff and sewage overflows were among the most likely causes, both of which are exacerbated by heavy rains, flooding and warming temperatures.

Other wastewater news:

• FOX5 (San Diego): Hydrogen sulfide: What’s causing the ‘rotten egg’ smell in the Tijuana River Valley?​
• FOX5 (San Diego): Odor advisory issued for South Bay communities