Lower Salinas River Watershed TMDL - Monitoring Data
A watershed-related topic examined by the ENVS 560/L Watershed Systems class at CSUMB.
Contents
Summary
Under the Clean Water Act (CWA) the Central Coast Ambient Monitoring Program (CCAMP) conducts monthly monitoring in the Lower Salinas Watershed in order to conduct trend analysis and detect emerging water quality problems. Monitoring is also required by the Central Coast Region Agricultural Waiver. In order to comply the Central Coast agricultural community consolidated monitoring within a [[Cooperative Monitoring Program (CMP)]. This CMP is managed by Central Coast Water Quality Preservation, Inc, and releases annual report. The most recent report published by Central Coast Water Quality Preservation, Inc is from 2018 [1].
Status of Nitrate
The overall target TMDL for Nitrate is 10 mg/L for all receiving waterbodies. During the dry season (May 1st - October 31st) Nitrate should not be over 1.4 - 6.4 mg/L in impaired receiving waters for specific streams. During the wet season nitrate should not exceed 8 mg/L for impaired, receiving streams. [2]
Examples of time series data for CCAMP monitoring sites furthest downstream in the Lower Salinas River Watershed.
Status of Un-ionized Ammonia
The target TMDL for un-ionized ammonia is 0.025 mg/L.[2] The majority of the water bodies in the Lower Salinas Valley have an un-ionized concentration mean bellow 0.025 mg/L. CCAMP has identified a monotonic decreasing trend of Ammonia levels at Tembladero Slough at Haro Road.
Status of Orthophosphate
The target TMDL concentration for orthophosphate is 0.3 mg/L during the wet season (November 1st - April 30th). The dry season target (May 1st - October 31st) depends on the specific waterbody, but target threshold ranges from 0.7 mg/L to 0.13 mg/L. [2] CCAMP has identified a monotonic decreasing trend of Orthophosphate levels at Tembladero Slough at Haro Road.
Examples of time series data for CCAMP monitoring sites furthest downstream in the Lower Salinas River Watershed.
Links
- Central Coast Regional Water Quality Control Board (CCRWQCB)
- Central Coast Water Quality Preservation, Inc (Preservation, Inc.)
- TMDLs in the Monterey Bay Region of California
- Total Maximum Daily Load for Fecal Coliform for the Lower Salinas River Watershed, Monterey County, California
- Total Maximum Daily Load for Nutrients in Lower Salinas River Watershed, Monterey County, California
- Total Maximum Daily Loads for Chlorpyrifos and Diazinon in Lower Salinas River Watershed in Monterey County, California
- Approaches to TMDL Development and Implementation in the Monterey Bay Area
- Central Coast Regional Water Quality Control Board (CCRWQCB)
- Regional regulatory approaches to agricultural runoff in California
- Central Coast Region Agricultural Waiver
- Clean Water Act
- National Pollution Discharge Elimination System
- Central Coast Water Quality Preservation, Inc. (CCWQPI)
- Watershed Issues on the Central Coast of California
- Central Coast Water Quality Coalition
- Monterey Bay Area TMDL Listings - Priorities, Progress, and Documents
References
- ↑ Central Coast Water Quality Preservation Inc. 2019. Central Coast Cooperative Monitoring Program 2018 Annual Water Quality Report https://ccwqp.org/wp-content/uploads/2019/11/2018-CMP-Annual-Report.pdf
- ↑ 2.0 2.1 2.2 Lower Salinas TMDL Summary
Disclaimer
This page may contain student work completed as part of assigned coursework. It may not be accurate. It does not necessary reflect the opinion or policy of CSUMB, its staff, or students.