CA Drinking Water Watch

SAN MATEO COUNTY MEMORIAL PARK (4100536)

All Sampling Results From To

WELL 01 - STANDBY (CA4100536_003_003)

Click to hide / show columns: Analyte Number | Analyte Name | Sampling Date | Detected Level | Less Than | RL | Counting Error (+/-) | MCL | DLR | Unit | Lab Sample ID | Lab | ELAP | Method |

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Analyte Number Analyte Name Sampling Date Results Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
Detected Level Less Than RL
Analyte Number Analyte Name Sampling Date Detected Level Less Than RL Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
1041 NITRITE 10-03-2023 < 0.4 1 .4 MG/L 23J0194-03 CLS LABS 1233 EPA 300.0
1040 NITRATE 10-03-2023 < 0.4 10 .4 MG/L 23J0194-03 CLS LABS 1233 EPA 300.0
1041 NITRITE 12-28-2021 < 0.4 1 .4 MG/L 21L1568-01 CLS LABS 1233 EPA 300.0
C255 NITRATE (AS NO3) 06-23-2015 < 0.5 45 2 MG/L 88140031506231132N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 10-30-2012 < 2 45 2 MG/L 88140031210301210N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
1041 NITRITE 10-30-2012 0.2100000 400 1000 400 UG/L 88140031210301210N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 11-14-2011 < 1 45 2 MG/L 88140031111141025N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1041 NITRITE 11-14-2011 < 200 1000 400 UG/L 88140031111141025N ALPHA ANALYTICAL LABORATORIES UKIAH 1551

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.