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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 61–70 of 472 samples, newest first — collected September 24, 2019 to May 4, 2021. The summary above covers all 472.

28 results from the 10 samples listed here: 9 detected, 19 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 61 to 70 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
May 4, 2021 12:04
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-210505-001
Laboratory
MSDH Lab
3.76 ug/l , sample collected May 4, 2021 12:04, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
Apr 21, 2021 10:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-210422-015
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 21, 2021 10:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Feb 3, 2021 14:38
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-210204-024
Laboratory
MSDH Lab
15.2 mg/l , sample collected Feb 3, 2021 14:38, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 3, 2021 10:38
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-210204-005
Laboratory
MSDH Lab
1.62 mg/l , sample collected Feb 3, 2021 10:38, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
1.62 mg/l , sample collected Feb 3, 2021 10:38, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 3, 2021 10:38, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Apr 6, 2020 13:37
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
200407-014IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0463 mg/l , sample collected Apr 6, 2020 13:37, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.602 mg/l , sample collected Apr 6, 2020 13:37, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0007 mg/l , sample collected Apr 6, 2020 13:37, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 6, 2020 13:37, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jan 21, 2020 10:21
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
200122-052NI
Laboratory
MSDH Lab
2.18 mg/l , sample collected Jan 21, 2020 10:21, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
2.18 mg/l , sample collected Jan 21, 2020 10:21, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 21, 2020 10:21, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Nov 20, 2019 09:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
191122-001S7
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 20, 2019 09:15, sampling point TF080 Oxamyl 2036 EPA method 531.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 20, 2019 09:15, sampling point TF080 Aldicarb Sulfoxide 2043 EPA method 531.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 20, 2019 09:15, sampling point TF080 Aldicarb Sulfone 2044 EPA method 531.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 20, 2019 09:15, sampling point TF080 Carbofuran 2046 EPA method 531.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 20, 2019 09:15, sampling point TF080 Aldicarb 2047 EPA method 531.2 Not recorded
Collected
Oct 23, 2019 12:24
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
4465286
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.4 ug/l Minimum Reporting Level , sample collected Oct 23, 2019 12:24, sampling point TF080 Diquat 2032 EPA method 549.2 Not recorded
Collected
Oct 22, 2019
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041923306-0001
Laboratory
Emsl Analytical, Inc.
Not detected below 0.18 Minimum Reporting Level , sample collected Oct 22, 2019, sampling point DS000 Asbestos 1094 EPA method 100.2 Not recorded
Collected
Sep 24, 2019 10:23
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190924-001SC
Laboratory
MSDH Lab
Not detected below 6 ug/l Minimum Reporting Level , sample collected Sep 24, 2019 10:23, sampling point TF080 Glyphosate 2034 EPA method 547 Not recorded

Routine (10).