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The Firm
Waterstone Environmental, Inc. was formed in 1997 as a group of senior scientists and engineers applying their decades of experience as active consultants in the environmental area.
We employ a team approach and senior consultants work intimately on all aspects of each project. As a result, we believe that we have established a service-oriented company culture that provides our clients with high quality consulting and timely service.
Latest Insights
Amendment to the Industrial General Permit
July 2019
The new amendment to the General Permit for Stormwater Discharges associated with Industrial Activities in the State of California will likely become effective on July 1, 2020. This amendment includes a list of impaired water bodies and the Total Maximum Discharge Limits (TMDLs) that will apply to stormwater dischargers within those watersheds. You can check if your facility is located within an impaired body watershed with the online mapping tool.
HHRA Note 10 and ITRC's TPH Risk Evaluation Web Document
March 2019
On September 4, 2018 the Toxicity Criteria for Human Health Risk Assessments, Screening Levels, and Remediation Goals rule (hereafter “Rule”) was approved by the State of California Office of Administrative Law and became effective immediately. In February 2019, DTSC HERO issued a new HHRA Note to address the specification of promulgated criteria and address the recommendation and approval of recommended criteria.
Regarding TPH Risk Evaluation, HHRA Note 10 recommends consulting the ITRC TPH Risk Evaluation at Petroleum-Contaminated Sites guidance document.
Waterstone News
LA County Bar Association - Environmental Law Fall Symposium
November 2019
Thanks for coming out to see Waterstone at the 18th Annual Environmental Law Fall Symposium. This year’s Fall symposium offere three panels focused on: (1) A science and legal update on “Forever Chemicals” such as Per- and polyfluoroalkyl substances
(PFAS), (2) The future of alternative fuel transportation, (3) AB 617 California’s new nonvehicular air pollution criteria.
