CESSWI PART I – Questions With Complete Answers CESSWI is qualified to preform what inspections? ✔️Ans - Construction, post construction, industrial, MS4 Clean Water Act year of creation and intent of law ✔️Ans - 1972, enacted to restore and maintain the physical, bio, chem integrity of the waters of the US CWA Section 402 ✔️Ans - Est. NPDES System, originally focused on industrial process waste water and POTW CWA Section 404 ✔️Ans - regulated impacts to waters of the US, typically associated with a 401 certification CWA Section 401 ✔️Ans - Regulates water quality impacts and state cert systems, required permit issued by a federal agency for any activity that may discharge a pollutant, Applies heavily in industrial sites CWA Section 303 ✔️Ans - Establishes Water quality standards Stormwater discharge definition ✔️Ans - stormwater runoff, snow melt runoff, and surface runoff/drainage
To be subject to NPDES rules, stormwater must: ✔️Ans - be in a
discernible conveyance Definitions of waters of the US ✔️Ans - All waters used in interstate or foreign commerce, including those subject to tidal flows
- All interstate waters, including interstate wetlands
- All INTRAstate lakes, rivers, streams (intermittent also), mudflats, sand flats,
wetlands, sloughs, prairie potholes, wet meadows, playa lake, or natural ponds that the destruction of which would affect interstate/foreign commerce
including those which:
Could be used for recreational or other purposes From which shellfish or fish could be retrieved and sold Could be used for industrial purposes 1 / 2
- All impoundments of water defined by waters of the US by the above
- Tributaries of the waters defined above
- The territorial sea
- Wetlands adjacent to any of the waters defined above
Beneficial Uses definition ✔️Ans - Uses necessary for the survival of and well-being of people, plants, and wildlife Water quality standards definition ✔️Ans - state or tribal requirements that define the water quality goals of a lake stream or other wateerbody by designation the benefical uses and setting criteria to protect those uses Section 303d ✔️Ans - est a process for states, territories, and tribes to i.d.impaired waters, also referred to as water quality limited TMDL ✔️Ans - id's the amount of a specific pollutnant that may be dicharged to a water body, states are responsible for implementing Waste load allocations ✔️Ans - allocations of pollutant loadings to point sources TMDL Implementation ✔️Ans - Define waste load allocation, develop implementation plan to connect allocations and permits, translate allocations to permit conditions.Origin of NPDES stormwater regs ✔️Ans - NURP studies showed stormwater had many of the same qualities of commercial, industrial areas NPDES Phase I and II regs implemented via ✔️Ans - General permits for a group of similar dischagers such as consutruction industry, industrial, utilities Individual permits for a single entity, facility or project
Phase I NPDES Permits ID'd as: ✔️Ans - Industrial activity
Construction activity <5 acres Cities over 100k population Phase II NPDES Permits ID'd as: ✔️Ans - Construction activity 1 - 5 acres Cities 10k - 100k population commercial, retail, light industrial, institutional
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