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Lead and Copper Sample Summary Results
Water System No. : |
CA4100509 |
Federal Type : |
C |
Water System Name : |
COUNTY SERVICE AREA 7 |
State Type : |
C |
Principal County Served : |
SAN MATEO |
Primary Source : |
SW |
Status : |
A |
Activity Date : |
03-22-1979 |
Distribution System Classification : |
D1 |
Max Treatment Plant Classification : |
T2 |
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Click to hide / show columns:
MP | MP Begin |
MP End | Type |
# Samples | Measure |
Units | Analyte Code/Name |
Begin Sampling| End Sampling
MP * |
MP Begin |
MP End |
Type |
# Samples |
Measure |
Units |
Analyte Code/Name |
Begin Sampling |
End Sampling |
MP * |
MP Begin |
MP End |
Type |
# Samples |
Measure |
Units |
Analyte Code/Name |
Begin Sampling |
End Sampling |
6M1ST-2024 |
01-01-2024 |
06-30-2024 |
90 |
9 |
0.0011 |
MG/L |
PB90 - LEAD SUMMARY |
03-20-2024 |
03-25-2024 |
6M1ST-2024 |
01-01-2024 |
06-30-2024 |
90 |
9 |
0.343 |
MG/L |
CU90 - COPPER SUMMARY |
03-20-2024 |
03-25-2024 |
6M2ND-2023 |
07-01-2023 |
12-31-2023 |
90 |
10 |
0.0028 |
MG/L |
PB90 - LEAD SUMMARY |
09-26-2023 |
09-26-2023 |
6M2ND-2023 |
07-01-2023 |
12-31-2023 |
90 |
10 |
0.299 |
MG/L |
CU90 - COPPER SUMMARY |
09-26-2023 |
09-26-2023 |
6M1ST-2023 |
01-01-2023 |
06-30-2023 |
90 |
11 |
0.0024 |
MG/L |
PB90 - LEAD SUMMARY |
02-23-2023 |
02-23-2023 |
6M1ST-2023 |
01-01-2023 |
06-30-2023 |
90 |
11 |
0.296 |
MG/L |
CU90 - COPPER SUMMARY |
02-23-2023 |
02-23-2023 |
6M2ND-2022 |
07-01-2022 |
12-31-2022 |
90 |
11 |
0.0033 |
MG/L |
PB90 - LEAD SUMMARY |
08-10-2022 |
08-11-2022 |
6M2ND-2022 |
07-01-2022 |
12-31-2022 |
90 |
11 |
0.382 |
MG/L |
CU90 - COPPER SUMMARY |
08-10-2022 |
08-11-2022 |
6M1ST-2022 |
01-01-2022 |
06-30-2022 |
90 |
11 |
0.0035 |
MG/L |
PB90 - LEAD SUMMARY |
02-16-2022 |
02-18-2022 |
6M1ST-2022 |
01-01-2022 |
06-30-2022 |
AL |
1 exceeding Action Level |
--- |
--- |
PB90 - LEAD SUMMARY |
02-16-2022 |
02-18-2022 |
6M1ST-2022 |
01-01-2022 |
06-30-2022 |
90 |
11 |
0.370 |
MG/L |
CU90 - COPPER SUMMARY |
02-16-2022 |
02-18-2022 |
6M2ND-2021 |
07-01-2021 |
12-31-2021 |
90 |
11 |
0.0019 |
MG/L |
PB90 - LEAD SUMMARY |
08-07-2021 |
08-09-2021 |
6M2ND-2021 |
07-01-2021 |
12-31-2021 |
90 |
11 |
0.336 |
MG/L |
CU90 - COPPER SUMMARY |
08-07-2021 |
08-09-2021 |
6M1ST-2021 |
01-01-2021 |
06-30-2021 |
90 |
11 |
0.0041 |
MG/L |
PB90 - LEAD SUMMARY |
03-17-2021 |
03-18-2021 |
6M1ST-2021 |
01-01-2021 |
06-30-2021 |
AL |
1 exceeding Action Level |
--- |
--- |
PB90 - LEAD SUMMARY |
03-17-2021 |
03-18-2021 |
6M1ST-2021 |
01-01-2021 |
06-30-2021 |
90 |
11 |
0.496000 |
MG/L |
CU90 - COPPER SUMMARY |
03-17-2021 |
03-18-2021 |
6M2ND-2020 |
07-01-2020 |
12-31-2020 |
90 |
12 |
0.0058 |
MG/L |
PB90 - LEAD SUMMARY |
08-20-2020 |
08-31-2020 |
6M2ND-2020 |
07-01-2020 |
12-31-2020 |
90 |
12 |
0.530600 |
MG/L |
CU90 - COPPER SUMMARY |
08-20-2020 |
08-31-2020 |
6M1ST-2020 |
01-01-2020 |
06-30-2020 |
90 |
10 |
0.0 |
MG/L |
PB90 - LEAD SUMMARY |
03-30-2020 |
04-01-2020 |
6M1ST-2020 |
01-01-2020 |
06-30-2020 |
90 |
10 |
0.430 |
MG/L |
CU90 - COPPER SUMMARY |
03-30-2020 |
04-01-2020 |
3Y2016-2018 |
01-01-2016 |
12-31-2018 |
90 |
5 |
0.04600 |
MG/L |
PB90 - LEAD SUMMARY |
09-13-2018 |
09-20-2018 |
3Y2016-2018 |
01-01-2016 |
12-31-2018 |
AL |
1 exceeding Action Level |
--- |
--- |
PB90 - LEAD SUMMARY |
09-13-2018 |
09-20-2018 |
3Y2016-2018 |
01-01-2016 |
12-31-2018 |
90 |
5 |
0.300000 |
MG/L |
CU90 - COPPER SUMMARY |
09-13-2018 |
09-20-2018 |
3Y2015-2017 |
01-01-2015 |
12-31-2017 |
90 |
5 |
|
MG/L |
PB90 - LEAD SUMMARY |
09-13-2015 |
09-13-2015 |
3Y2015-2017 |
01-01-2015 |
12-31-2017 |
90 |
5 |
0.3 |
MG/L |
CU90 - COPPER SUMMARY |
09-13-2015 |
09-13-2015 |
3Y2013-2015 |
01-01-2013 |
12-31-2015 |
90 |
5 |
0.3 |
MG/L |
CU90 - COPPER SUMMARY |
09-13-2015 |
09-13-2015 |
3Y2013-2015 |
01-01-2013 |
12-31-2015 |
90 |
5 |
|
MG/L |
PB90 - LEAD SUMMARY |
09-13-2015 |
09-13-2015 |
YR2012 |
01-01-2012 |
12-31-2012 |
90 |
5 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
09-27-2012 |
09-27-2012 |
YR2012 |
01-01-2012 |
12-31-2012 |
90 |
5 |
0.088 |
MG/L |
CU90 - COPPER SUMMARY |
09-27-2012 |
09-27-2012 |
YR2008 |
01-01-2008 |
12-31-2008 |
90 |
10 |
0.003 |
MG/L |
PB90 - LEAD SUMMARY |
09-30-2008 |
09-30-2008 |
YR2008 |
01-01-2008 |
12-31-2008 |
90 |
10 |
0.37 |
MG/L |
CU90 - COPPER SUMMARY |
09-30-2008 |
09-30-2008 |
YR2005 |
01-01-2005 |
12-31-2005 |
90 |
7 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
09-22-2005 |
09-22-2005 |
6M1ST-2005 |
01-01-2005 |
06-30-2005 |
90 |
7 |
0.447 |
MG/L |
CU90 - COPPER SUMMARY |
09-22-2005 |
09-22-2005 |
YR2005 |
01-01-2005 |
12-31-2005 |
90 |
7 |
0.447 |
MG/L |
CU90 - COPPER SUMMARY |
09-22-2005 |
09-22-2005 |
6M1ST-2005 |
01-01-2005 |
06-30-2005 |
90 |
7 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
09-22-2005 |
09-22-2005 |
6M2ND-2004 |
07-01-2004 |
12-31-2004 |
90 |
10 |
0.099 |
MG/L |
CU90 - COPPER SUMMARY |
12-28-2004 |
12-28-2004 |
6M2ND-2004 |
07-01-2004 |
12-31-2004 |
90 |
10 |
0.0015 |
MG/L |
PB90 - LEAD SUMMARY |
12-28-2004 |
12-28-2004 |
6M1ST-2003 |
01-01-2003 |
06-30-2003 |
90 |
10 |
0.0034 |
MG/L |
PB90 - LEAD SUMMARY |
09-16-2003 |
09-16-2003 |
6M1ST-2003 |
01-01-2003 |
06-30-2003 |
90 |
10 |
0.036 |
MG/L |
CU90 - COPPER SUMMARY |
09-16-2003 |
09-16-2003 |
* MP is monitoring period which can be triennial (3Y), annual (YR), 1st
six months (6M1ST), or 2nd six months (6M2ND)
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