By Erica Gies, Tara Lohan, Water Deeply
The state started to get serious about cleaning up nitrates a decade ago. It is now working with growers to stop new pollution and is considering how it might clean up old contamination. But it’s costly to clean an entire aquifer, and even extraordinary efforts would take several decades to pay off. So the state is also focused on funding interim local solutions to supply people with safe drinking water.