In mid-2021, when the U.S. Environmental Protection Agency (USEPA) announced the Lead and Copper Rule Revisions deadline, October 16, 2024 seemed a long way away. There are now 12 months left to accomplish the considerable requirements that all water systems must complete. AE2S has been working with water systems to help them with LCRR compliance. Read More
Amended “Waters of the United States” Rule Now in Effect
The U.S. Environmental Protection Agency (USEPA) and the U.S. Department of the Army (Army) announced an amended version of the 2023 definition of “waters of the United States” (WOTUS) Rule in late August. The amended WOTUS Rule took effect on September 8. It conforms with the Supreme Court’s May 25 decision in Sackett v. EPA. While Read More
Novel Approach to Address Effluent Mercury Regulatory Limit
A novel approach to addressing a new effluent mercury regulatory limit will help a northern Minnesota town’s wastewater treatment facility (WWTF) remain in compliance under its National Pollutant Discharge Elimination System (NDPES) permit. The City of Ely hired the team of AE2S and JPJ Engineering in 2017, to develop a wastewater facility plan to address Read More
USGS Study Detects PFAS Contamination in 45% of Tap Water
A new U.S. Geological Survey study found at least 45% of the tap water in the United States is contaminated with one or more types of per- and polyfluorinated alkyl substances (PFAS). The study reports samples from more than 700 public and private water systems for 32 PFAS compounds. The data is the result of Read More
USEPA Releases Results of Nationwide Monitoring for 30 Chemicals
The U.S. Environmental Protection Agency (USEPA) released the first set of data collected under the fifth Unregulated Contaminant Monitoring Rule (UCMR 5). The new data is the initial step towards improving USEPA’s understanding of the levels and frequency that 29 PFAS and lithium are found in the nation’s drinking water systems. The initial monitoring represents sampling from Read More
Study Identifies Urgent Need for PFAS Prevention and Affordable Cleanup Options
A recently published report serves as a wake-up call for the need for a comprehensive solution to per- and poly-fluoroalkyl substances (PFAS) pollution. The Minnesota Pollution Control Agency (MPCA) report emphasizes the importance of prevention to safeguard the environment and public health. PFAS enters wastewater through various channels, including industrial processes, the use and disposal Read More