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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

MS0600004 , Darling Water Association

27 of the 59 analytes this system has been tested for have been detected at least once, across 195 samples on record.

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 195 samples on record, detections range from October 27, 2003 to September 30, 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 Darling Water Association, 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 79 of 80 results Jul 11, 2007 Sep 30, 2025
Lead 1030 Inorganic Chemical 68 of 80 results Jul 11, 2007 Sep 30, 2025
TTHM 2950 Organic Chemical 16 of 16 results Jun 20, 2007 Dec 20, 2022
Chloroform 2941 Organic Chemical 15 of 15 results Jun 20, 2007 Dec 5, 2016
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 15 results Jun 20, 2007 Dec 20, 2022
Bromodichloromethane 2943 Organic Chemical 14 of 15 results Jun 20, 2007 Dec 5, 2016
Bromoform 2942 Organic Chemical 13 of 15 results Jun 20, 2007 Dec 5, 2016
Dibromochloromethane 2944 Organic Chemical 13 of 15 results Jun 20, 2007 Dec 5, 2016
Dichloroacetic Acid 2451 Organic Chemical 11 of 13 results Oct 24, 2007 Dec 5, 2016
Xylenes, Total 2955 Organic Chemical 10 of 32 results Aug 16, 2010 Sep 21, 2021
Dibromoacetic Acid 2454 Organic Chemical 10 of 13 results Oct 24, 2007 Dec 5, 2016
Barium 1010 Inorganic Chemical 9 of 9 results Oct 27, 2003 Mar 25, 2025
Fluoride 1025 Inorganic Chemical 9 of 9 results Oct 27, 2003 Mar 25, 2025
Arsenic 1005 Inorganic Chemical 8 of 9 results Mar 22, 2004 Mar 25, 2025
Chromium 1020 Inorganic Chemical 8 of 9 results Oct 27, 2003 Mar 25, 2025
Trichloroacetic Acid 2452 Organic Chemical 8 of 13 results Oct 24, 2007 Dec 5, 2016
Selenium 1045 Inorganic Chemical 7 of 9 results Mar 22, 2004 Oct 18, 2022
Nickel 1036 Inorganic Chemical 6 of 9 results Apr 12, 2006 Mar 25, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 17, 2019 Nov 7, 2023
Monobromoacetic Acid 2453 Organic Chemical 2 of 13 results Oct 24, 2007 Dec 5, 2016
Carbon Tetrachloride 2982 Organic Chemical 1 of 32 results Sep 21, 2021 Sep 21, 2021
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 3 results Aug 4, 2020 Aug 4, 2020
Radium-226 4020 Radionuclide 1 of 3 results Aug 4, 2020 Aug 4, 2020
Gross Alpha Particle Activity 4109 Radionuclide 1 of 4 results Sep 10, 2012 Sep 10, 2012
Dichloromethane 2964 Organic Chemical 1 of 32 results Aug 22, 2011 Aug 22, 2011
Monochloroacetic Acid 2450 Organic Chemical 1 of 13 results Nov 16, 2009 Nov 16, 2009
Nitrite 1041 Inorganic Chemical 1 of 22 results Jul 14, 2008 Jul 14, 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 171–180 of 195 samples, newest first — collected May 23, 2007 to October 24, 2007. The summary above covers all 195.

30 results from the 10 samples listed here: 26 detected, 4 not detected. Across the whole record it is 329 of 1,186. 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 Darling Water Association, every result from 171 to 180 of 195 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
Oct 24, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
071025-002HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Oct 24, 2007, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Oct 24, 2007, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Oct 24, 2007, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Oct 24, 2007, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Oct 24, 2007, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.018 mg/l , sample collected Oct 24, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2007 – Dec 31, 2007
Collected
Oct 24, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
071025-003TH
Laboratory
MSDH Lab
5.07 ug/l , sample collected Oct 24, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
113 ug/l , sample collected Oct 24, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
11.5 ug/l , sample collected Oct 24, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
40.7 ug/l , sample collected Oct 24, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
170.27 ug/l , sample collected Oct 24, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Collected
Jul 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070712-013PB
Laboratory
MSDH Lab
0.8728 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
070712-012PB
Laboratory
MSDH Lab
0.8 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0029 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
070712-011PB
Laboratory
MSDH Lab
0.4361 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0043 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
070712-015PB
Laboratory
MSDH Lab
0.0398 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0024 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
070712-014PB
Laboratory
MSDH Lab
0.0195 mg/l , sample collected Jul 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.004 mg/l , sample collected Jul 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jun 20, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070621-007HA
Laboratory
MSDH Lab
0.0311 mg/l 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 Jun 20, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2007 – Jun 30, 2007
Collected
Jun 20, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070621-007TH
Laboratory
MSDH Lab
7.26 ug/l , sample collected Jun 20, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
93.5 ug/l , sample collected Jun 20, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
13.3 ug/l , sample collected Jun 20, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
40.8 ug/l , sample collected Jun 20, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
154.86 ug/l , sample collected Jun 20, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Collected
May 23, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070524-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 23, 2007, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 23, 2007, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 23, 2007, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007

Routine (10).