![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Return to home page
On This Page
State: Oregon
Waterbody ID:
Other ID: OR1221671431853_1221483431646_0_3.7
State List ID: OR1221671431853_1221483431646_0_3.7
Location: 0 To 3.7 Miles
State Waterbody Type: Lake
EPA Waterbody Type: Lakes, Reservoirs, and Ponds
Water Size:
Units: acres
Watershed Name: North Umpqua
On This Page
- Water Quality Assessment Status
- Causes of Impairment
- Probable Sources Contributing to Impairments
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Oregon
Waterbody ID:
Other ID: OR1221671431853_1221483431646_0_3.7
State List ID: OR1221671431853_1221483431646_0_3.7
Location: 0 To 3.7 Miles
State Waterbody Type: Lake
EPA Waterbody Type: Lakes, Reservoirs, and Ponds
Water Size:
Units: acres
Watershed Name: North Umpqua
2006 Waterbody Report for Diamond Lake / Diamond Lake
Click on the waterbody for an interactive map
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
- EnviroMapper for Water
- AskWATERS
- EPA WATERS Homepage
- Exchange Network
- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Water Quality Assessment Status for Reporting Year 2006
No assessment data have been reported to EPA for this waterbody.
Causes of Impairment for Reporting Year 2006
Description of this table
| Cause of Impairment | Cause of Impairment Group | Designated Use(s) | State TMDL Development Status |
|---|---|---|---|
| Aquatic Weeds or Algae | Algal Growth | TMDL needed | |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | TMDL needed | |
| pH | pH/Acidity/Caustic Conditions | TMDL completed |
Probable Sources Contributing to Impairment for Reporting Year 2006
No probable source data have been reported to EPA for this waterbody.
TMDLs That Apply to this waterbody
Description of this table
| TMDL Document Name | TMDL Date | TMDL Pollutant Description | TMDL Pollutant Source Type | Cause(s) of Impairment Addressed |
|---|---|---|---|---|
| Umpqua Basin Tmdl | Apr-12-2007 | Biochemical Oxygen Demand (BOD) | Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Escherichia Coli (E. Coli) | Point/Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Inorganic Nitrogen | Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Inorganic Phosphorus | Point/Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Nitrogen, Total | Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Nuisance Exotic Species | Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Phosphorus, Total | Point/Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Sediment Oxygen Demand | Point/Nonpoint Source | pH |
| Umpqua Basin Tmdl | Apr-12-2007 | Temperature | Point/Nonpoint Source | pH |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.