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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 101–110 of 195 samples, newest first — collected August 18, 2014 to March 30, 2015. The summary above covers all 195.

39 results from the 10 samples listed here: 17 detected, 22 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 101 to 110 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
Mar 30, 2015 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150401-030PB
Laboratory
MSDH Lab
0.1065 mg/l , sample collected Mar 30, 2015 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0015 mg/l , sample collected Mar 30, 2015 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 30, 2015 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150401-029PB
Laboratory
MSDH Lab
0.0268 mg/l , sample collected Mar 30, 2015 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0008 mg/l , sample collected Mar 30, 2015 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 30, 2015 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150401-028PB
Laboratory
MSDH Lab
0.0205 mg/l , sample collected Mar 30, 2015 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0006 mg/l , sample collected Mar 30, 2015 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 30, 2015 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150401-027PB
Laboratory
MSDH Lab
0.6829 mg/l , sample collected Mar 30, 2015 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 30, 2015 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 30, 2015 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150401-026PB
Laboratory
MSDH Lab
0.0246 mg/l , sample collected Mar 30, 2015 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0021 mg/l , sample collected Mar 30, 2015 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Aug 25, 2014 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140826-007VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Benzene 2990 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Toluene 2991 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 25, 2014 13:00, sampling point TF101 Styrene 2996 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Collected
Aug 19, 2014 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140819-100PB
Laboratory
MSDH Lab
2.8399 mg/l , sample collected Aug 19, 2014 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.036 mg/l , sample collected Aug 19, 2014 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 18, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140819-103PB
Laboratory
MSDH Lab
0.0341 mg/l , sample collected Aug 18, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0009 mg/l , sample collected Aug 18, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 18, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140819-101PB
Laboratory
MSDH Lab
0.7646 mg/l , sample collected Aug 18, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0007 mg/l , sample collected Aug 18, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 18, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140819-099PB
Laboratory
MSDH Lab
0.0695 mg/l , sample collected Aug 18, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0015 mg/l , sample collected Aug 18, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).