Date:05-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:2810004SYSTEM NAME:ST. HELENA, CITY OFCOUNTY:NAPA 
SOURCE NO.:008SOURCE NAME:BELL CANYON TREATMENT PLANT EFFLUENTSOURCE CLASS:OTHRSTATUS:A



Click to hide / show columns: PS Codes | Group Name | Analyte Number | Analyte Name | Detected Level |Less Than | RL | Unit | MCL | DLR | Last Sampled | Frequency | Next Due | Notes

PS Codes Group Name Analyte Number Analyte Name Results Unit MCL DLR Last Sampled Frequency Next Due Notes
Detected Level Less Than RL
CA2810004_008_008 SECONDARY/GP-202503 1905 COLOR < 5.000 UNITS 15 03-12-2024 12 2025/03
CA2810004_008_008 SECONDARY/GP-202503 1028 IRON < 100.000 UG/L 300 100 03-12-2024 12 2025/03
CA2810004_008_008 SECONDARY/GP-202503 1032 MANGANESE 48.000 20.000 UG/L 50 20 03-12-2024 12 2025/03
CA2810004_008_008 SECONDARY/GP-202406 1920 ODOR 2.000 1.000 TON 3 1 03-12-2024 3 2024/06
CA2810004_008_008 INORGANIC-202503 1002 ALUMINUM 63.000 50.000 UG/L 1000 50 03-12-2024 12 2025/03
CA2810004_008_008 GENERAL NON CHAP 15-202503 1927 ALKALINITY, TOTAL < 30.000 MG/L 03-12-2024 12 2025/03
CA2810004_008_008 GENERAL NON CHAP 15-202404 2920 CARBON, TOTAL 1.730 0.300 MG/L .3 03-12-2024 1 2024/04 DUE NOW
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.