RRWC, Michigan

Impaired Uses within the River Raisin Watershed

The following is a list of identified impairments within the River Raisin Watershed to be addressed in the River Raisin Watershed Management Plan.

IMPAIRED USE

POLLUTANTS

SOURCE

CAUSE

Public Water Supply

Nitrate

Fertilizers

Inadequate management of fertilizer use for urban/suburban/ag land

Failing septic systems

Inadequate septic system management

Phosphorus

Fertilizers

Inadequate management of fertilizer use for urban/suburban/ag land

Pesticides

Improper pesticide use

Sediment

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction

BOD

Wastewater treatment plants

Inadequate wastewater treatment

Hydrocarbons

Runoff

Inadequate stormwater management

Metals (mercury)

Urban runoff

Inadequate stormwater management

Atmospheric deposition

Car exhaust

Power plant emissions

E.coli

Urban/Ag runoff

Lack of adequate pet management

Poor feedlot management

Manure spreading

Animals

Goose-friendly habitat

Aquatic & wildlife habitat

Sediment

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction

Nutrients

Fertilizers

Inadequate management of fertilizer use for urban/suburban/ag land

BOD

Wastewater treatment plants

Inadequate wastewater treatment

Trash

Runoff

Inadequate stormwater management

Dumping

Difficulty of enforcement

Temperature

Urban runoff

Inattention to urban heat effects on runoff

Summer heating

Lack of riparian vegetation

Low flows

Flow variability

Exotic species

Ballast water/boats

Lack of adequate management for ballast water and boat cleaning

High flows

Urban/Ag runoff

Inadequate stormwater management

Tile drains/lack of buffer strips

Full/Partial Body Contact Recreation

E.coli

Urban/Ag runoff

Lack of adequate pet management

Poor feedlot management

Manure spreading

Animals

Goose-friendly habitat

Failing septic systems

Inadequate septic system management

Sediment

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction

Nutrients

Fertilizers

Inadequate management of fertilizer use for urban/suburban/ag land

Large woody debris/trash

Eroding banks/runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

lack of woodlot management

Pesticides

Improper pesticide use

Hydrocarbons

Runoff

Inadequate stormwater management

Warmwater Fishery

Sediment

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction

Metals (mercury)

Urban runoff

Inadequate stormwater management

Atmospheric deposition

Car exhaust

Power plant emissions

Pesticides

Improper pesticide use

Low Flow

Seasonal variability/withdrawals

Natural variability/lack of withdrawal oversight(?)

High flows

Urban/Ag runoff

Inadequate stormwater management

Tile drains

Lack of buffer strips

Hydrocarbons

Runoff

Inadequate stormwater management

E.coli

Urban/Ag runoff

Lack of adequate pet management

Poor feedlot management

Manure spreading

Animals

Goose-friendly habitat

BOD

Wastewater treatment plants

Inadequate wastewater treatment

Nutrients

Fertilizers

Inadequate management of fertilizer use for urban/suburban/ag land

Large woody debris/trash

Eroding banks/runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

lack of woodlot management

THREATENED USE

POLLUTANTS

SOURCE

CAUSE

Agriculture

Sediment/Turbidity

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction

High flows

Urban/Ag runoff

Inadequate stormwater management

Tile drains

Lack of buffer strips

Navigation

Sediment

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction

Large woody debris/trash

Eroding banks/runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

lack of woodlot management

Low Flow

Seasonal variability/withdrawals

Natural variability/lack of withdrawal oversight(?)

Industrial Use

Sediment/Turbidity

Urban/Ag runoff

Insufficient urban/suburban runoff management

ag drains/lack of buffer strips

lack of large woody debris and trash management

Construction





This is printed from: http://riverraisin.org/raisin_projects/319grant/impairments_summary
on Feb. 8, 2012 8:24 pm