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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

MS0150003 , Crystal Springs Water Service

31 of the 110 analytes this system has been tested for have been detected at least once, across 472 samples on record.

The other 79 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 472 samples on record, detections range from July 14, 1992 to February 17, 2026. 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 Crystal Springs Water Service, 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 181 of 320 results Jan 13, 1993 Aug 8, 2024
Lead 1030 Inorganic Chemical 93 of 320 results Jul 14, 1992 Aug 8, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 24 of 24 results May 3, 2004 Feb 17, 2026
Nitrate 1040 Inorganic Chemical 24 of 24 results May 3, 2004 Feb 17, 2026
Barium 1010 Inorganic Chemical 12 of 12 results Apr 9, 2002 Feb 5, 2025
Nickel 1036 Inorganic Chemical 12 of 12 results Apr 9, 2002 Feb 5, 2025
TTHM 2950 Organic Chemical 11 of 17 results May 17, 2004 Oct 13, 2025
Fluoride 1025 Inorganic Chemical 11 of 14 results Sep 8, 2003 Jan 27, 2022
Bromoform 2942 Organic Chemical 6 of 10 results Sep 11, 2006 Oct 13, 2025
Dibromochloromethane 2944 Organic Chemical 6 of 10 results Sep 11, 2006 Oct 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 14 results Oct 25, 2005 Mar 13, 2025
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 23, 2019 Jan 27, 2022
Sulfate 1055 Inorganic Chemical 4 of 5 results Apr 9, 2002 Jan 27, 2022
Gross Alpha Particle Activity 4109 Radionuclide 4 of 6 results Sep 21, 2009 Jul 11, 2012
Chromium 1020 Inorganic Chemical 3 of 12 results Jan 26, 2004 Apr 14, 2014
Combined Radium (-226 & -228) 4010 Radionuclide 3 of 4 results Sep 21, 2009 Sep 29, 2011
Radium-228 4030 Radionuclide 3 of 4 results Sep 21, 2009 Sep 29, 2011
Selenium 1045 Inorganic Chemical 3 of 12 results Jan 26, 2004 Mar 24, 2008
Mercury 1035 Inorganic Chemical 2 of 12 results Mar 24, 2008 May 10, 2022
Calcium 1016 Inorganic Chemical 2 of 2 results Jan 27, 2022 Jan 27, 2022
Chloride 1017 Inorganic Chemical 2 of 2 results Jan 27, 2022 Jan 27, 2022
Conductivity @ 25 C Umhos/CM 1064 Water Quality 2 of 2 results Jan 27, 2022 Jan 27, 2022
Alkalinity, Total 1927 Water Quality 2 of 2 results Jan 27, 2022 Jan 27, 2022
Gross Alpha, Excl. Radon & U 4000 Radionuclide 2 of 4 results Sep 21, 2009 Mar 9, 2010
Radium-226 4020 Radionuclide 2 of 4 results Sep 21, 2009 Mar 9, 2010
Gross Beta Particle Activity 4100 Radionuclide 2 of 2 results Sep 21, 2009 Mar 9, 2010
Monochloroacetic Acid 2450 Organic Chemical 1 of 8 results Jul 18, 2018 Jul 18, 2018
Bromodichloromethane 2943 Organic Chemical 1 of 10 results Aug 18, 2014 Aug 18, 2014
Dibromoacetic Acid 2454 Organic Chemical 1 of 8 results Aug 12, 2008 Aug 12, 2008
Arsenic 1005 Inorganic Chemical 1 of 12 results Jan 23, 2006 Jan 23, 2006
Cadmium 1015 Inorganic Chemical 1 of 12 results Jan 23, 2006 Jan 23, 2006

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 81–90 of 472 samples, newest first — collected September 27, 2018 to September 27, 2018. The summary above covers all 472.

20 results from the 10 samples listed here: 10 detected, 10 not detected. Across the whole record it is 431 of 1,515. 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 Crystal Springs Water Service, every result from 81 to 90 of 472 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 27, 2018 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-019PB
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Sep 27, 2018 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 06:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-018PB
Laboratory
MSDH Lab
0.0018 mg/l , sample collected Sep 27, 2018 06:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 06:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-017PB
Laboratory
MSDH Lab
0.0029 mg/l , sample collected Sep 27, 2018 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-015PB
Laboratory
MSDH Lab
0.002 mg/l , sample collected Sep 27, 2018 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 04:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-014PB
Laboratory
MSDH Lab
0.0026 mg/l , sample collected Sep 27, 2018 04:07, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 04:07, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-013PB
Laboratory
MSDH Lab
0.0054 mg/l , sample collected Sep 27, 2018 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 05:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-012PB
Laboratory
MSDH Lab
0.0055 mg/l , sample collected Sep 27, 2018 05:35, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 05:35, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 04:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-011PB
Laboratory
MSDH Lab
0.0019 mg/l , sample collected Sep 27, 2018 04:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 04:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-010PB
Laboratory
MSDH Lab
0.0044 mg/l , sample collected Sep 27, 2018 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Sep 27, 2018 06:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180928-009PB
Laboratory
MSDH Lab
0.0022 mg/l , sample collected Sep 27, 2018 06:02, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 27, 2018 06:02, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018

Routine (10).