CA Drinking Water Watch

SAN MATEO COUNTY MEMORIAL PARK (4100536)

All Sampling Results From To

PESCADERO CREEK - RAW (CA4100536_001_001)

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 03-12-2024 < 0.4 1 .4 MG/L 24C0471-02 CLS LABS 1233 EPA 300.0
1040 NITRATE 02-19-2024 < 0.4 10 .4 MG/L 24B1115-02 CLS LABS 1233 EPA 300.0
1040 NITRATE 02-08-2023 < 0.4 10 .4 MG/L 23B0498-02 CLS LABS 1233 EPA 300.0
1040 NITRATE 03-02-2022 < 0.4 10 .4 MG/L 22C0215-02 CLS LABS 1233 EPA 300.0
1040 NITRATE 03-02-2021 < 0.4 10 .4 MG/L 88140012103020724N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1041 NITRITE 03-02-2021 < 0.4 1 .4 MG/L 88140012103020724N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1040 NITRATE 03-19-2020 < 0.4 10 .4 MG/L 88140012003190945N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1040 NITRATE 02-21-2019 < 0.4 10 .4 MG/L 88140011902210900N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1041 NITRITE 02-13-2018 < 0.4 1 .4 MG/L 88140011802130836N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1040 NITRATE 02-13-2018 < 0.4 10 .4 MG/L 88140011802130836N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1040 NITRATE 04-27-2017 < 0.4 10 .4 MG/L 88140011704270838N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1040 NITRATE 07-28-2016 < 0.4 10 .4 MG/L 88140011607280854N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
C255 NITRATE (AS NO3) 06-11-2015 < 0.5 45 2 MG/L 88140011506110835N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
1041 NITRITE 06-11-2015 0.2500000 400 1000 400 UG/L 88140011506110834N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 02-12-2015 0.4800000 2 45 2 MG/L 88140011502121045N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 02-12-2015 4.2000000 2 45 2 MG/L 88140011502120900N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 11-12-2014 0.2600000 2 45 2 MG/L 88140011411120818N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 05-15-2014 < 2 45 2 MG/L 88140011405150808N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 12-19-2013 0.2700000 2 45 2 MG/L 88140011312190920N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 10-30-2012 < 2 45 2 MG/L 88140011210301230N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
1041 NITRITE 10-30-2012 0.1400000 400 1000 400 UG/L 88140011210301230N SAN MATEO COUNTY PUBLIC HEALTH LAB 1591
C255 NITRATE (AS NO3) 11-14-2011 < 1 45 2 MG/L 88140011111141015N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
1041 NITRITE 11-14-2011 < 200 1000 400 UG/L 88140011111141015N ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 09-02-2003 23.0000000 1 1 UG/L 88140010309021230D TESTAMERICA - ONTARIO (FORMERLY DEL MAR) 1169
2451 DICHLOROACETIC ACID 09-02-2003 5.4000000 1 1 UG/L 88140010309021230D TESTAMERICA - ONTARIO (FORMERLY DEL MAR) 1169
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-02-2003 29.0000000 60 UG/L 88140010309021230D TESTAMERICA - ONTARIO (FORMERLY DEL MAR) 1169
2450 MONOCHLOROACETIC ACID 09-02-2003 < 2 2 UG/L 88140010309021230D TESTAMERICA - ONTARIO (FORMERLY DEL MAR) 1169
2454 DIBROMOACETIC ACID 09-02-2003 < 1 1 UG/L 88140010309021230D TESTAMERICA - ONTARIO (FORMERLY DEL MAR) 1169
2453 MONOBROMOACETIC ACID 09-02-2003 < 1 1 UG/L 88140010309021230D TESTAMERICA - ONTARIO (FORMERLY DEL MAR) 1169
2950 TTHM 09-02-2003 140.0000000 0.5 100 .5 UG/L 88140010309021230D SEQUOIA ANALYTICAL (REDWOOD CITY, CA) 5113
2941 CHLOROFORM 09-02-2003 72.0000000 0.5 100 .5 UG/L 88140010309021230D SEQUOIA ANALYTICAL (REDWOOD CITY, CA) 5113
2943 BROMODICHLOROMETHANE 09-02-2003 46.0000000 0.5 100 .5 UG/L 88140010309021230D SEQUOIA ANALYTICAL (REDWOOD CITY, CA) 5113
2942 BROMOFORM 09-02-2003 1.4000000 0.5 100 .5 UG/L 88140010309021230D SEQUOIA ANALYTICAL (REDWOOD CITY, CA) 5113

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.