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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0420041 , Blue Lake Water Assn. Inc

10 of the 13 analytes this system has been tested for have been detected at least once, across 59 samples on record.

The other 3 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 59 samples on record, detections range from September 23, 2004 to May 7, 2025. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Blue Lake Water Assn. Inc, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 37 of 37 results Sep 23, 2004 Sep 7, 2023
Lead 1030 Inorganic Chemical 22 of 37 results Sep 23, 2004 Sep 7, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 11 results Jun 14, 2007 May 7, 2025
TTHM 2950 Organic Chemical 10 of 11 results Jun 14, 2007 May 7, 2025
Dichloroacetic Acid 2451 Organic Chemical 5 of 6 results Jul 2, 2008 Aug 30, 2017
Chloroform 2941 Organic Chemical 5 of 7 results Jul 2, 2008 Aug 30, 2017
Trichloroacetic Acid 2452 Organic Chemical 4 of 6 results Jun 28, 2011 Aug 30, 2017
Bromodichloromethane 2943 Organic Chemical 3 of 7 results Jun 28, 2011 Aug 30, 2017
Dibromochloromethane 2944 Organic Chemical 1 of 7 results Jun 28, 2011 Jun 28, 2011
Monobromoacetic Acid 2453 Organic Chemical 1 of 6 results Jul 2, 2008 Jul 2, 2008

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 11–20 of 59 samples, newest first — collected June 27, 2017 to September 9, 2021. The summary above covers all 59.

26 results from the 10 samples listed here: 18 detected, 8 not detected. Across the whole record it is 98 of 154. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for Blue Lake Water Assn. Inc, every result from 11 to 20 of 59 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Sep 9, 2021 12:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-210910-001
Laboratory
MSDH Lab
15.2 ug/l , sample collected Sep 9, 2021 12:15, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2019 – Dec 31, 2021
Collected
Oct 8, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201009-060PB
Laboratory
MSDH Lab
0.0132 mg/l , sample collected Oct 8, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0006 mg/l , sample collected Oct 8, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Oct 8, 2020 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201009-059PB
Laboratory
MSDH Lab
0.0059 mg/l , sample collected Oct 8, 2020 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2020 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Oct 8, 2020 05:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201009-058PB
Laboratory
MSDH Lab
0.0042 mg/l , sample collected Oct 8, 2020 05:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2020 05:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Oct 8, 2020 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201009-057PB
Laboratory
MSDH Lab
0.0055 mg/l , sample collected Oct 8, 2020 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 8, 2020 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Oct 8, 2020 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201009-056PB
Laboratory
MSDH Lab
0.008 mg/l , sample collected Oct 8, 2020 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0007 mg/l , sample collected Oct 8, 2020 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 30, 2017 15:55
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
170831-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 30, 2017 15:55, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 30, 2017 15:55, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Aug 30, 2017 15:55, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 30, 2017 15:55, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 30, 2017 15:55, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Aug 30, 2017 15:55, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2016 – Dec 31, 2018
Collected
Aug 30, 2017 15:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
170831-003TH
Laboratory
MSDH Lab
8.13 ug/l , sample collected Aug 30, 2017 15:30, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2017 15:30, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.34 ug/l , sample collected Aug 30, 2017 15:30, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2017 15:30, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
10.47 ug/l , sample collected Aug 30, 2017 15:30, sampling point MRT000 TTHM 2950 Jan 1, 2016 – Dec 31, 2018
Collected
Jun 27, 2017
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170628-193PB
Laboratory
MSDH Lab
0.028 mg/l , sample collected Jun 27, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0014 mg/l , sample collected Jun 27, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170628-187PB
Laboratory
MSDH Lab
0.0414 mg/l , sample collected Jun 27, 2017 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Jun 27, 2017 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).