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What are Aquatic Life Benchmarks; are they different from Water Quality Criteria?

by Caltha, LLP | Nov 29, 2017 | Water

Two Offices within US EPA derive “standards” for pesticides to protect aquatic life. However, the methods used to derive these “standards” are quite different, as are the intended uses for the information. Aquatic life benchmarks are derived by Office of Pesticide...

Iowa Storm Water Consultant – Iowa Industrial Stormwater Engineer

by Caltha, LLP | Nov 25, 2017 | Stormwater, Water

Caltha LLP maintains a library of SWPPP Templates developed to meet the requirements of individual States, including Iowa. Separate stormwater plan templates are provided to Industrial, Municipal (MS4) and Construction stormwater dischargers. Our Iowa SWPPP templates...

Ohio EPA Proposes Changes To Wastewater Permit To Install Requirements

by Caltha Company | Nov 5, 2017 | Industrial Wastewater, Water

Ohio EPA has proposed rule changes in Ohio Administrative Code (OAC) Chapter 3745-42. Chapter 3745-42 covers the requirements for wastewater permits to install (PTIs).The rules are being amended as part of the five-year rule review requirements in Ohio Revised Code...

Minnesota Dept of Health Issues Final Risk Value For Glyphosate

by Caltha Company | Nov 3, 2017 | Hazardous Materials, Product Stewardship, Water

The Minnesota Department of Health (MDH) has issued its final health-based guidance on glyphosate. Glyphosate is a widely used herbicide that controls broadleaf weeds, grasses, and aquatic plants. Glyphosate is sold under several different trade names, including...

Application For General Permit Coverage Under Illinois General Permit Due September 5

by Caltha Company | Oct 21, 2017 | Stormwater, Water

The Illinois EPA issued its revised NPDES General Permit for industrial stormwater discharge in March 2017 and the permit was effective on April 5, 2015. Facilities that had been covered under the prior permit was wished to continue coverage under the new permit have...

New York No Longer Accepting Applications For General Industrial Permit Coverage

by Caltha Company | Oct 21, 2017 | Stormwater, Water

The New York State Department of Environmental Conservation (NYSDEC) published revisions to the SPDES Multi-Sector General Permit for Stormwater Discharges from Industry Activity (MSGP) (GP-0-17-004), which will replace the current one (GP-0-12-001) which expired on...
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