| Water Body Name: | Las Tablas Creek, South Fork |
| Water Body ID: | CAR3098129019980828110227 |
| Water Body Type: | River & Stream |
DECISION ID |
81169 |
Region 3 |
Las Tablas Creek, South Fork |
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| Pollutant: | Metals |
| Final Listing Decision: | List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Sources: | Inactive Mining |
| Expected TMDL Completion Date: | 2027 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | Listing decisions made prior to 2006 were not held in an assessment database.
A detailed data and source assessment can be found in the Las Tablas Creek and Lake Nacimiento Total Maximum Daily Load for Mercury Draft Project Report dated September 25, 2002. This TMDL has been approved by the Central Coast Water Board in 2003. However, neither State Board nor USEPA approved this TMDL and the TMDL project has been indefinitely postponed until USEPA takes further action regarding potential superfund site. The Draft TMDL project report identifies mercury as the primary metal of concern however, nickel content of waters in the Klau Branch tributary to the South Fork Las Tablas Creek has also been found to exceed Basin Plan Water Quality Objectives. The Draft TMDL project report can be viewed here: https://www.waterboards.ca.gov/centralcoast/water_issues/programs/tmdl/docs/las_tablas_lake_naci/index.shtml |
| Regional Board Decision Recommendation: | This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. 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. |
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| LOE ID: | 3954 | ||||
| Pollutant: | Metals | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Not Recorded | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 0 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | Not Specified | ||||
| Data Used to Assess Water Quality: | Unspecified--This LOE is a placeholder to support a 303(d) listing decision made prior to 2006. | ||||
| Data Reference: | Placeholder reference pre-2006 303(d) | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Unspecified | ||||
| Objective/Criterion Reference: | Placeholder reference pre-2006 303(d) | ||||
| Evaluation Guideline: | Unspecified | ||||
| Guideline Reference: | Placeholder reference pre-2006 303(d) | ||||
| Spatial Representation: | Unspecified | ||||
| Temporal Representation: | Unspecified | ||||
| Environmental Conditions: | Unspecified | ||||
| QAPP Information: | Unspecified | ||||
| QAPP Information Reference(s): | |||||