Kristen Berger, P.E.
ResilientCE provides OPM services for Townsend, MA PFAS Removal Water Treatment Facility
Construction on a PFAS removal water treatment facility for the Town of Townsend, MA initiated in June 2023. The 2.45 million gallon per...
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Kristen Berger, P.E.
Jan 17, 20222 min read
Drinking Water Unregulated Contaminant Monitoring Rule 5 (UCMR5) – Final Revisions Published
Once every 5 years, in accordance with the Safe Drinking Water Act, the US EPA is required to issue a list of unregulated contaminants to...
Kristen Berger, P.E.
Sep 30, 20202 min read
Massachusetts Finalizes MCL for PFAS
PFAS stands for Per- and Polyfluoroalkyl Substances which are actually a group of different chemicals. In September 2020, Massachusetts...
Kristen Berger, P.E.
Aug 8, 20202 min read
Lead and Copper Rule (LCR) Revisions Introduce Lead Trigger Level
Changes are being made to the drinking water Lead and Copper Rule (LCR). In accordance with the LCR, the Action Level for lead is 0.015...
Kristen Berger, P.E.
Dec 17, 20192 min read
Massachusetts Releases Draft Regulations for PFAS Drinking Water MCL
The Commonwealth of Massachusetts released draft regulations for a Per- and Polyfluoroalkyl Substances (PFAS) drinking water maximum...
Kristen Berger, P.E.
Jul 17, 20192 min read
NH Lowers Drinking Water Arsenic Limit
New Hampshire Public Water Suppliers have two years to prepare to comply with the newly adopted arsenic maximum contaminant level (MCL)...
Kristen Berger, P.E.
Jul 1, 20192 min read
NH Takes Next Step to Regulate PFAS in Drinking Water
In June 2019, the New Hampshire Department of Environmental Services (NH DES) proposed establishing a maximum contaminant level (MCL) for...
Kristen Berger, P.E.
Apr 25, 20192 min read
Using Bacteria to Remove Iron and Manganese from Water Supply
Water suppliers are putting bacteria to work for the removal of iron and manganese from drinking water. There are now three water...
Kristen Berger, P.E.
Feb 28, 20193 min read
Why Addressing PFAS is so Challenging
PFAS contamination of drinking water has received a lot of press and attention over the past several years. At this time, you may be...
Kristen Berger, P.E.
Feb 27, 20192 min read
What's the deal with Manganese?
Manganese in drinking water, whether tap water or well water, is more than a nuisance. When in water, it can stain laundry and plumbing...
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