"Aquatic Resources"
means wetland waters (i.e. vernal pools, swales, freshwater
marsh, other seasonal wetlands, etc.), non-wetland waters (i.e. ponds,
lakes, streams, rivers, drainages, ditches, etc.), and riparian (i.e.
mixed riparian scrub, mixed riparian woodland, etc.).
"Aquatic Resources Delineation"
means identifying the amount and boundaries of Aquatic Resources,
including wetlands, using U.S. Army Corps of Engineers (USACE) mapping
standards and USACE minimum standards for delineations.
"Avoidance"
means avoiding the permanent and/or temporary impact altogether
by not taking a certain action or parts of an action.
"Compensatory Mitigation"
means the restoration (re-establishment or rehabilitation),
establishment (creation), enhancement, of aquatic resources for the
purposes of offsetting unavoidable adverse permanent and/or temporary
impacts which remain after all appropriate and practicable avoidance
and minimization has been achieved.
"Compensatory Mitigation Ratio"
means the amount of Compensatory Mitigation that must be
provided to offset an acre or fraction thereof of permanent and/or
temporary impact.
"County"
means the County of Sacramento.
"Director"
means the Director of the Department of Community Development.
"Enhancement"
means the manipulation of the physical, chemical, or biological
characteristics of an aquatic resource to heighten, intensify, or
improve a specific aquatic resource function(s). Enhancement results
in the gain of selected aquatic resource function(s), but may also
lead to a decline in other aquatic resource function(s). Enhancement
does not result in a gain in aquatic resource area.
"Establishment"
means the manipulation of the physical, chemical, or biological
characteristics present to develop an aquatic resource that did not
previously exist at an upland site. Establishment results in a gain
in aquatic resource area and functions.
"Habitat"
means the place or environment where a plant or animal naturally
lives and grows (a group of particular environmental conditions),
and as defined in the South Sacramento Habitat Conservation Plan.
Habitat may be occupied (i.e. individuals or a population of species
are or have recently been present) or unoccupied.
"Impact."
See "Permanent Impact" and "Temporary Impact."
"Minimization"
means to reduce permanent and/or temporary impacts by limiting
the degree or magnitude of the action and its implementation.
"Open Water"
means a permanent water impoundment that is mostly free from
masses of underwater vegetation at very shallow depths.
"Permanent Impact"
means the permanent loss of an Aquatic Resource resulting
from the adverse effects of grading, filling, excavation, dredging,
or changing of drainage of an Aquatic Resource.
"Plan Area"
means that portion of the unincorporated County that is south
of U.S. Highway 50, east of the Sacramento River levee and County
Road J11, west of the Sacramento County line with El Dorado and Amador
Counties, and north of the Sacramento County line with San Joaquin
County, as depicted in Figure 1, "Plan Area."
"Re-establishment"
means the manipulation of the physical, chemical, or biological
characteristics of a site with the goal of returning natural/historic
functions to a former aquatic resource. Re-establishment results in
rebuilding a former aquatic resource and results in a gain in aquatic
resource area and functions.
"Rehabilitation"
means the manipulation of the physical, chemical, or biological
characteristics of a site with the goal of repairing natural/historic
functions to a degraded aquatic resource. Rehabilitation results in
a gain in aquatic resource function, but does not result in a gain
in aquatic resource area.
"Riparian"
means a transitional area between terrestrial and aquatic
ecosystems, which is distinguished by gradients in biophysical conditions,
ecological processes, and biota, typically adjacent to perennial,
intermittent and ephemeral streams, lakes, and estuarine-marine shorelines.
"Setback"
means an upland, wetland, and/or riparian area that protects
and/or enhances aquatic resource functions associated with wetlands
and streams from disturbances associated with adjacent land uses.
"Stream"
means a perennial, intermittent, or ephemeral course of water
that has a bed and bank and with a definable ordinary high water mark.
"Temporary Impact"
means the grading, filling, excavation, dredging, or changing
of drainage of an Aquatic Resource where the Aquatic Resource is restored
to pre-construction contours and elevations after construction, and
revegetated, as appropriate.
"Vernal Pool"
means a type of seasonal wetland habitat that is characterized
by a specific set of physical parameters and a unique assemblage of
highly specialized endemic plants and animals; a seasonal body of
standing water that typically forms in the spring from direct precipitation,
with occasional contributions from other sources, dries out completely
in the hotter months of summer, and refills in the autumn; pools free
of fish that provide important breeding habitat for many terrestrial
or semi-aquatic species such as Branchiopods, frogs, and salamanders.
"Watershed"
means a drainage basin that is defined by a 10-digit hydrologic
unit code as defined by the Federal Standard for Delineation of Hydrologic
Unit Boundaries.
"Wetland"
means those areas that are inundated or saturated by surface
or ground water at a frequency and duration sufficient to support,
and that under normal circumstances do support, a prevalence of vegetation
typically adapted for life in saturated soil conditions. Wetlands
generally include freshwater marsh, vernal pools, swales and similar
areas.
(SCC 1627 § 1, 2018)
All proposed projects within the Plan Area that permanently
and/or temporarily impact an Aquatic Resource shall require an Aquatic
Resources Impact Permit from the County. No person, company, or agency
shall permanently or temporarily impact Aquatic Resources as set forth
in this section except as consistent with this chapter.
A. An
Aquatic Resources Impact Permit must be obtained:
1. In conjunction with any County issued discretionary permit.
2. Before an activity is performed that impacts Aquatic Resources, if
no construction or building permit is required.
B. Exemptions.
In general, this chapter requires permits for permanent and temporary
impacts to aquatic resources. However, certain activities are exempt
from permit requirements. The following activities and associated
uses shall be exempt from the provisions of this chapter:
1. Exempt Maintenance Activities.
a. Maintenance of drainage ditches (does not include new construction
of drainage ditches); construction and maintenance of irrigation ditches;
maintenance of structures like dams, dikes and levees; and construction
and maintenance of stock ponds or farm ponds.
b. Discharges associated with facilities that are appurtenant and functionally
related to irrigation ditches are included in the exemption (e.g.
siphons, pumps, headgates, wingwalls, weirs, diversion structures,
etc.).
c. Maintenance, including emergency reconstruction of recently damaged
parts, of currently serviceable structures such as dikes, dams, levees,
groins, riprap, breakwaters, causeways, bridge abutments or approaches,
and transportation structures. Maintenance does not include any modification
that changes the character, scope, or size of the original fill design.
Emergency reconstruction must occur within a reasonable period of
time after damage occurs in order to qualify for this exemption.
d. If a maintenance activity would involve any modifications to the
original fill design, including the location of the fill, the type
of material to be used, the amount of material used, etc., then the
activity does not qualify for the maintenance exemption.
2. Exempt Farming, Ranching, and Mining Activities.
a. Established (ongoing) farming and ranching activities such as plowing,
seeding, cultivating, minor drainage, and harvesting for the production
of food, fiber, or upland soil and water conservation practices are
exempt. This exemption pertains to "normal farming" and harvesting
activities that are part of an established, ongoing farming operation.
Examples of normal farming practices include but are not limited to
planting different crops as part of an established rotation, introduction
of a new cultivation technique such as discing between crop rows for
weed control and discharges associated with ongoing rotations of rice.
Activities that bring an Aquatic Resource into farm production where
the Aquatic Resource has not previously been used for farming are
not considered part of an established operation, and therefore are
not exempted. An example includes the conversion of grazing land to
cropland that results in impacts to Aquatic Resources.
b. Construction and maintenance of permanent and temporary farm roads
or temporary mining roads.
Temporary roads must be constructed and maintained in accordance
with best management practices to assure that flow and circulation
patterns and chemical and biological characteristics of Aquatic Resources
are not impaired and that the reach of the Aquatic Resources is not
reduced, and that any adverse effect on the aquatic environment are
minimized. These BMPs which must be applied to satisfy this provision
shall include those detailed BMPs described in the State's approved
program description pursuant to the requirements of 40 CFR 233.22(i)d.
i. Roads established within farming or mining operations shall be held
to the minimum feasible number, width, and total length consistent
with the purpose of specific farming or mining operations, and local
topographic and climatic conditions;
ii. Road fill shall be bridged, culverted or designed to prevent the
restriction of expected flood flows;
iii.
The fill shall be properly stabilized and maintained during
and following construction to prevent erosion;
iv. Discharges shall be made in a manner that minimizes construction
equipment in Aquatic Resources outside of the fill area;
v. Vegetative disturbance shall be kept to a minimum;
vi. Construction and maintenance of crossing shall not disrupt the migration
or other movement of aquatic life;
vii.
Borrow material shall be taken from upland sources where feasible;
viii.
The discharge shall not take, or jeopardize the continued existence
of, a threatened or endangered species, or adversely modify or destroy
the critical habitat of such species;
ix. Discharges into breeding and nesting areas for migratory waterfowl,
spawning areas, and Aquatic Resources shall be avoided;
x. The discharge shall not be located in the proximity of a public water
supply intake;
xi. The discharge shall not occur in a component of the National Wild
and Scenic River System;
xii.
The discharge of material shall consist of suitable material
free from toxic pollutants in toxic amounts; and
xiii.
All temporary fills shall be removed in their entirety and the
area restored to its original elevation.
3. Construction of temporary sedimentation basins.
a. This exemption applies to the construction of temporary sedimentation
basins on a construction site which does not permanently impact Aquatic
Resources.
b. Construction site means any site involving the erection of buildings,
roads, and other discrete structures and the installation of support
facilities necessary for construction and utilization of the structures.
Also includes any other land areas which involve land-disturbing excavation
activities, including quarrying and other mining areas, where an increase
in the runoff of sediment is controlled through the use of temporary
sedimentation basins.
C. Interpretation.
1. When there is a conflict between any provisions of this chapter or
any other regulations adopted by the County, that providing the most
protection to aquatic resources shall apply.
2. If there is any question as to whether a proposed activity qualifies
for an exemption, coordination with the County shall occur and results
documented in writing.
3. Compliance with this chapter does not constitute compliance with
other federal, state and local regulations, and permit requirements
(for example, Section 106 of the National Historic Preservation Act,
USACE Section 404 permits, National Pollutant Discharge Elimination
System (NPDES) permits, Section 401 Water Quality Certification, or
Porter-Cologne Water Quality Control Act). The project proponent is
responsible for complying with all requirements, apart from the provisions
of this chapter.
D. Recapture
Provision.
1. Exemptions do not apply when impacts related to activities change
the use of the Aquatic Resource and reduce the reach, or impair the
flow or circulation of Aquatic Resources. This "recapture" provision
involves a two-part test that results in an activity being considered
not exempt when both parts are met:
a. Does the activity represent a "new use" of the Aquatic Resource;
and
b. Would the activity result in a "reduction in reach/impairment of
flow or circulation" of Aquatic Resources?
c. Consequently, any impact that results in the destruction of the Aquatic
Resource character of an area (e.g., it converts to uplands due to
new or expanded drainage) is considered a change in the Aquatic Resource,
and by definition, a reduction of their reach and is not exempt.
(SCC 1627 § 1, 2018)
The Board of Supervisors of the County of Sacramento declares
that should any section, paragraph, sentence, or word of this chapter
be declared for any reason to be invalid, it is the intent of the
Board of Supervisors that it would have passed all other portions
of this chapter, independent of the provision declared invalid.
(SCC 1627 § 1, 2018)