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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

MS0640013 , Boswell Regional Center

30 of the 73 analytes this system has been tested for have been detected at least once, across 116 samples on record.

The other 43 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 116 samples on record, detections range from October 27, 2003 to July 14, 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 Boswell Regional Center, 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 32 of 32 results Jul 11, 2007 Jul 1, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 22 of 22 results Jun 16, 2004 Jul 14, 2026
Nitrate 1040 Inorganic Chemical 22 of 22 results Jun 16, 2004 Jul 14, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Oct 27, 2003 Jan 9, 2024
Lead 1030 Inorganic Chemical 7 of 32 results Jul 11, 2007 Jul 1, 2025
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 14, 2010 Jul 14, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 7 results Sep 10, 2007 Feb 24, 2025
Chromium 1020 Inorganic Chemical 4 of 10 results Feb 8, 2010 Jan 12, 2021
Nickel 1036 Inorganic Chemical 3 of 10 results Apr 2, 2014 Jan 9, 2024
TTHM 2950 Organic Chemical 3 of 7 results Aug 16, 2004 Jul 7, 2010
Selenium 1045 Inorganic Chemical 2 of 10 results Feb 8, 2010 Jan 12, 2021
Gross Alpha Particle Activity 4109 Radionuclide 2 of 4 results Jun 25, 2012 Sep 12, 2012
Arsenic 1005 Inorganic Chemical 1 of 10 results Jan 12, 2021 Jan 12, 2021
Dichloroacetic Acid 2451 Organic Chemical 1 of 3 results Sep 20, 2016 Sep 20, 2016
Trichloroacetic Acid 2452 Organic Chemical 1 of 3 results Sep 20, 2016 Sep 20, 2016
Gross Alpha, Incl. Radon & U 4002 Radionuclide 1 of 2 results Sep 12, 2013 Sep 12, 2013
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 14, 2010 Sep 14, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result Sep 14, 2010 Sep 14, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Sep 14, 2010 Sep 14, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Sep 14, 2010 Sep 14, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Sep 14, 2010 Sep 14, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Sep 14, 2010 Sep 14, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Sep 14, 2010 Sep 14, 2010
Nitrite 1041 Inorganic Chemical 1 of 22 results Jul 31, 2006 Jul 31, 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 91–100 of 116 samples, newest first — collected July 31, 2006 to July 21, 2008. The summary above covers all 116.

25 results from the 10 samples listed here: 17 detected, 8 not detected. Across the whole record it is 133 of 637. 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 Boswell Regional Center, every result from 91 to 100 of 116 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
Jul 21, 2008
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
080722-080NI
Laboratory
MSDH Lab
0.66 mg/l , sample collected Jul 21, 2008, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
0.66 mg/l , sample collected Jul 21, 2008, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 21, 2008, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Sep 10, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070911-019HA
Laboratory
MSDH Lab
0.0021 mg/l , sample collected Sep 10, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 10, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070911-020TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 10, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 10, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 10, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 10, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Sep 10, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
Jul 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070712-051PB
Laboratory
MSDH Lab
0.2329 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0055 mg/l , sample collected Jul 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070712-052PB
Laboratory
MSDH Lab
0.3372 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0012 mg/l , sample collected Jul 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070712-055PB
Laboratory
MSDH Lab
0.0089 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070712-053PB
Laboratory
MSDH Lab
0.5747 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0093 mg/l , sample collected Jul 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070712-054PB
Laboratory
MSDH Lab
0.1936 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 11, 2007
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
070712-030NI
Laboratory
MSDH Lab
0.72 mg/l , sample collected Jul 11, 2007, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
0.72 mg/l , sample collected Jul 11, 2007, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 11, 2007, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jul 31, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060801-101NI
Laboratory
MSDH Lab
0.84 mg/l , sample collected Jul 31, 2006, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
0.82 mg/l , sample collected Jul 31, 2006, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
0.02 mg/l , sample collected Jul 31, 2006, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006

Routine (10).