Water Body Name: | Cottonwood Creek (below LADWP diversion) |
Water Body ID: | CAR6033000019980804091950 |
Water Body Type: | River & Stream |
DECISION ID |
5559 |
Region 6 |
Cottonwood Creek (below LADWP diversion) |
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Pollutant: | Flow alterations |
Final Listing Decision: | Delist from 303(d) list (TMDL required list) |
Last Listing Cycle's Final Listing Decision: | Delist from 303(d) list (TMDL required list)(2006) |
Revision Status | Original |
Reason for Delisting: | Flaws in original listing |
Impairment from Pollutant or Pollution: | Pollution |
Regional Board Conclusion: | Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that the original listing basis is faulty due to lack of data and the fact that the listing was not for a pollutant. |
Regional Board Decision Recommendation: | This is a decision made by the State Water Resources Control Board and approved by the USEPA in 2006 . No new data were assessed by the Regional Board for 2008. The decision has not changed. |
State Board Review of Regional Board Conclusion and Recommendation: | |
State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
USEPA Action (if applicable): | |
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LOE ID: | 2842 | ||||
Pollutant: | Flow alterations | ||||
LOE Subgroup: | Testimonial Evidence | ||||
Matrix: | Not Specified | ||||
Fraction: | None | ||||
Beneficial Use: | Cold Freshwater Habitat | ||||
Aquatic Life Use: | Wildlife Habitat | ||||
Number of Samples: | 0 | ||||
Number of Exceedances: | 0 | ||||
Data and Information Type: | Not Specified | ||||
Data Used to Assess Water Quality: | The original basis for the listing of this water body was best professional judgment based on staff concerns regarding water diversions.
Therefore, this listing basis was faulty due to lack of data. Listing is not for a pollutant, and no pollutants have been identified related to this listing. Regional Board staff is not aware of evidence to indicate current water quality standards exceedances or beneficial use impacts related to this listing. |
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Data Reference: | Placeholder reference 2006 303(d) | ||||
SWAMP Data: | Non-SWAMP | ||||
Water Quality Objective/Criterion: | |||||
Objective/Criterion Reference: | |||||
Evaluation Guideline: | |||||
Guideline Reference: | |||||
Spatial Representation: | |||||
Temporal Representation: | |||||
Environmental Conditions: | |||||
QAPP Information: | QA Info Missing | ||||
QAPP Information Reference(s): | |||||