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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

MS0530039 , New Light Water Association

23 of the 57 analytes this system has been tested for have been detected at least once, across 207 samples on record.

The other 34 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 207 samples on record, detections range from October 13, 2003 to July 13, 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 New Light 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 74 of 74 results Aug 11, 2004 Jun 23, 2025
Lead 1030 Inorganic Chemical 44 of 74 results Aug 11, 2004 Jun 23, 2025
Xylenes, Total 2955 Organic Chemical 16 of 39 results Dec 13, 2004 Sep 14, 2011
Barium 1010 Inorganic Chemical 15 of 15 results Oct 13, 2003 Jul 13, 2026
Fluoride 1025 Inorganic Chemical 15 of 15 results Oct 13, 2003 Jul 13, 2026
Arsenic 1005 Inorganic Chemical 14 of 15 results Oct 13, 2003 Jul 13, 2026
Selenium 1045 Inorganic Chemical 13 of 15 results Oct 13, 2003 Jul 13, 2026
TTHM 2950 Organic Chemical 10 of 17 results Sep 12, 2007 Aug 25, 2025
Chromium 1020 Inorganic Chemical 9 of 15 results Oct 13, 2003 Nov 15, 2023
Nickel 1036 Inorganic Chemical 8 of 13 results Mar 22, 2004 Feb 29, 2024
Nitrite 1041 Inorganic Chemical 8 of 32 results Nov 9, 2005 Mar 26, 2012
Bromoform 2942 Organic Chemical 7 of 12 results Oct 28, 2024 Aug 25, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 6 of 32 results Aug 7, 2006 Mar 26, 2012
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 7, 2011 Jul 25, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 7, 2011 Jul 25, 2012
Radium-226 4020 Radionuclide 5 of 5 results Dec 7, 2011 Jul 25, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 17 results Jun 21, 2010 Sep 28, 2021
Nitrate 1040 Inorganic Chemical 3 of 32 results Aug 7, 2006 Nov 26, 2007
Sodium 1052 Inorganic Chemical 2 of 2 results Jun 24, 2026 Jul 13, 2026
Ethylbenzene 2992 Organic Chemical 2 of 39 results Dec 13, 2004 Feb 16, 2005
Dibromoacetic Acid 2454 Organic Chemical 1 of 12 results Oct 28, 2024 Oct 28, 2024
Monobromoacetic Acid 2453 Organic Chemical 1 of 12 results Sep 9, 2013 Sep 9, 2013
Mercury 1035 Inorganic Chemical 1 of 15 results Mar 22, 2004 Mar 22, 2004

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 71–80 of 207 samples, newest first — collected August 27, 2012 to September 26, 2014. The summary above covers all 207.

76 results from the 10 samples listed here: 9 detected, 67 not detected. Across the whole record it is 267 of 1,408. 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 New Light Water Association, every result from 71 to 80 of 207 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 26, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140930-021PB
Laboratory
MSDH Lab
0.2479 mg/l , sample collected Sep 26, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 26, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
May 12, 2014 10:40
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
140513-084NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 12, 2014 10:40, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 12, 2014 10:40, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 12, 2014 10:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Mar 31, 2014 02:05
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
140401-041IN
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Mar 31, 2014 02:05, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.144 mg/l , sample collected Mar 31, 2014 02:05, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 31, 2014 02:05, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0059 mg/l , sample collected Mar 31, 2014 02:05, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.205 mg/l , sample collected Mar 31, 2014 02:05, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 31, 2014 02:05, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.001 mg/l , sample collected Mar 31, 2014 02:05, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0052 mg/l , sample collected Mar 31, 2014 02:05, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 31, 2014 02:05, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 31, 2014 02:05, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 31, 2014 02:05, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Mar 19, 2014 09:09
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
140320-007CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 19, 2014 09:09, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2013 – Dec 31, 2015
Collected
Sep 9, 2013 03:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130910-001TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2013 03:05, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2013 03:05, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2013 03:05, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2013 03:05, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Sep 9, 2013 03:05, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Sep 9, 2013 03:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130910-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 9, 2013 03:10, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 9, 2013 03:10, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 9, 2013 03:10, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 9, 2013 03:10, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 9, 2013 03:10, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 9, 2013 03:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
May 8, 2013 01:30
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
130509-002NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 8, 2013 01:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 8, 2013 01:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 8, 2013 01:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Collected
May 8, 2013 01:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130509-001NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 8, 2013 01:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Not recorded
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 8, 2013 01:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 8, 2013 01:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Not recorded
Collected
Oct 22, 2012 01:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
121023-027VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 22, 2012 01:35, sampling point TF101 Styrene 2996 EPA method 524.2 Not recorded
Collected
Aug 27, 2012 02:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120828-013VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 27, 2012 02:40, sampling point TF101 Styrene 2996 EPA method 524.2 Not recorded

Routine (10).