Date:05-11-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4910702SYSTEM NAME:U.S. ARMY CORPS-LAKE SONOMA HEADQUARTERSCOUNTY:SONOMA 
SOURCE NO.:002SOURCE NAME:DOMESTIC WELL 01SOURCE CLASS:NCWSSTATUS: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
CA4910702_002_002 NITRATE/NITRITE-202108 1040 NITRATE < 0.400 MG/L 10 .4 08-21-2020 12 2021/08 DUE NOW
CA4910702_002_002 NITRATE/NITRITE-202204 1041 NITRITE < 0.400 MG/L 1 .4 04-04-2019 36 2022/04 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.