by Heather Jennings, PE
. . . the lagoon sludge layer, that is. I’ve seen many lagoons full of sludge, and the general attitude I find in the water industry is that the sludge layer is inert and really can only be mechanically dredged. To a certain point, that is correct: sand, soil, grit, plastics—basically inorganics—do need to be mechanically dredged. The organics, on the other hand, don’t, and they are easily removed with bioremediation. Continue Reading

In this podcast episode, host Heather Jennings, PE, interviews Fred Black and Ray Ramos of the New Mexico Rural Water Association on the topic of Troubleshooting Water and Wastewater Systems. Fred and Ray troubleshoot water and wastewater systems in the state of New Mexico, and together they have more than 50 years of experience in the water/wastewater industry.