Water Quality is Getting Worse as July Wears On
Connecticut DEP distributed its water quality maps this morning and they clearly show a deterioration from earlier in the month. The first map is based on samples taken between July 18 and 21. The second is based on samples taken between July 7 and 12. The red area in the far west of the Sound was where DO concentrations were between 1 and 1.99 milligrams per liter; the orange area was between 2 and 2.99 milligrams per liter, and the yellow between 3 and 3.49.
The unfortunate thing is that this is fairly typical – hypoxia is still a severe problem in the Sound. Here’s a post from a couple of weeks ago that explains why.