Page 150 - California Stormwater Workshop Handouts

Industrial General Permit Fact Sheet

remain with Level 2 status but is not subject to additional ERAs unless
directed by the Regional Water Board.

c. Level 2 ERA Implementation Extension

The State Water Board recognizes that there may be circumstances that make
implementation of all necessary actions required in the Level 2 ERAs by the
permitted due dates infeasible. In such circumstances a Discharger may request
additional time by submitting a Level 2 ERA Implementation Extension. The
Level 2 ERA Implementation Extension will automatically allow Dischargers up to
an additional six (6) months to complete the tasks identified in the Level 2 ERA
Action Plans while remaining in compliance with this General Permit. The Level
2 ERA Implementation Extension is subject to Regional Water Board review. If
additional time is needed beyond the initial six (6) month extension, a second
Level 2 ERA Implementation Extension may be submitted but is not effective
unless it is approved by the Water Board.

L. Inactive Mining Operations

Inactive mining sites may need coverage under this General Permit. Inactive mining
operations are mining sites, or portions of sites, where mineral mining and/or dressing
occurred in the past with an identifiable Discharger (owner or operator), but are no
longer actively operating. Inactive mining sites do not include sites where mining claims
are being maintained prior to disturbances associated with the extraction, beneficiation,
or processing of mined materials. A Discharger has the option to certify and submit via
SMARTS that its inactive mining operations meet the conditions for an Inactive Mining
Operation Certification in Section XIII of this General Permit. The Discharger must have
a SWPPP for an inactive mine signed (wet signature with license number) by a
California licensed professional engineer. The Inactive Mining Operation Certification in
this General Permit is in lieu of performing certain identified permit requirements. This
General Permit requires an annual inspection of an inactive mining site and an annual
re-certification of the SWPPP. Any significant updates to the SWPPP shall be signed
(wet signature and license number) by a California license professional engineer. The
Discharger must certify and submit via SMARTS any significantly revised SWPPP within
30 days of the revision(s)

M. Compliance Groups and Compliance Group Leaders

Group Monitoring, as defined in the previous permit, has been eliminated in this General
Permit and replaced with a new compliance option called Compliance Groups. The
Compliance Group option differs from Group Monitoring as it requires (1) all
Dischargers participating in a Compliance Group (Compliance Group Participants)
sample two QSEs each year, (2) the Compliance Group Leader to inspect each
Participant’s facility within each reporting year, (3) the Compliance Group Leader must
complete a State Water Board sponsored or approved training program for Compliance
Group Leaders, and (4) the Compliance Group Leader to prepare Consolidated Level 1
ERA Reports, and individual Level 2 ERA Action Plans and Technical Reports. The
Compliance Group option is similar to Group Monitoring as it retains a mechanism that

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