Date:05-21-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5500268SYSTEM NAME:LAKE DON PEDRO HOMEOWNERSCOUNTY:TUOLUMNE 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA5500268_001_001 NITRATE/NITRITE-201710 1040 NITRATE 2.880 0.400 MG/L 10 .4 10-20-2016 12 2017/10 DUE NOW
CA5500268_001_001 NITRATE/NITRITE-201910 1041 NITRITE 0.167 0.400 MG/L 1 .4 10-20-2016 36 2019/10 DUE NOW
CA5500268_003_003 NITRATE/NITRITE-202412 1040 NITRATE 4.530 0.400 MG/L 10 .4 12-27-2023 12 2024/12
CA5500268_003_003 NITRATE/NITRITE-202611 1041 NITRITE < 0.400 MG/L 1 .4 11-21-2023 36 2026/11
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.