Nearly one-fourth of the world’s wastewater comes from residential septic systems, according to the United Nations. But only 48% of such systems adequately treat wastewater.
The most common type of septic system includes the tank and a ... READ MORE
Local fertilizer ordinances do help improve water quality in lakes, but the timing of fertilizer restrictions influences their effectiveness.
Researchers found that winter fertilizer bans were associated with the biggest improvements ... READ MORE