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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

MS0390003 , Town of Monticello

35 of the 71 analytes this system has been tested for have been detected at least once, across 159 samples on record.

The other 36 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 159 samples on record, detections range from October 8, 2003 to September 17, 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 Town of Monticello, 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 57 of 57 results Aug 7, 2007 Aug 30, 2023
Lead 1030 Inorganic Chemical 15 of 57 results Aug 7, 2007 Aug 30, 2023
Barium 1010 Inorganic Chemical 10 of 10 results Oct 8, 2003 Mar 3, 2025
TTHM 2950 Organic Chemical 9 of 20 results Jun 30, 2004 Sep 17, 2025
Nickel 1036 Inorganic Chemical 7 of 10 results Mar 1, 2004 Mar 3, 2025
Sodium 1052 Inorganic Chemical 5 of 5 results May 13, 2010 Feb 11, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 19, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 12, 2011 Jul 19, 2012
Radium-226 4020 Radionuclide 5 of 5 results Dec 12, 2011 Jul 19, 2012
Radium-228 4030 Radionuclide 5 of 5 results Dec 12, 2011 Jul 19, 2012
Fluoride 1025 Inorganic Chemical 5 of 12 results Oct 8, 2003 May 13, 2010
Arsenic 1005 Inorganic Chemical 4 of 10 results Mar 1, 2004 Mar 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 21 results Aug 16, 2007 Jun 29, 2023
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 8, 2003 May 13, 2010
Chloroform 2941 Organic Chemical 3 of 15 results Jun 5, 2024 Sep 17, 2025
Bromodichloromethane 2943 Organic Chemical 2 of 15 results Jun 5, 2024 Nov 12, 2024
Bromoform 2942 Organic Chemical 2 of 15 results Aug 28, 2024 Aug 28, 2024
Dibromochloromethane 2944 Organic Chemical 2 of 15 results Aug 28, 2024 Aug 28, 2024
Calcium 1016 Inorganic Chemical 2 of 2 results May 13, 2010 May 13, 2010
Chloride 1017 Inorganic Chemical 2 of 2 results May 13, 2010 May 13, 2010
Iron 1028 Inorganic Chemical 2 of 2 results May 13, 2010 May 13, 2010
Magnesium 1031 Inorganic Chemical 2 of 2 results May 13, 2010 May 13, 2010
Manganese 1032 Inorganic Chemical 2 of 2 results May 13, 2010 May 13, 2010
Potassium 1042 Inorganic Chemical 2 of 2 results May 13, 2010 May 13, 2010
Residue, Total, Filterable 1057 Water Quality 2 of 2 results May 13, 2010 May 13, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results May 13, 2010 May 13, 2010
Carbon Dioxide 1901 Water Quality 2 of 2 results May 13, 2010 May 13, 2010
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results May 13, 2010 May 13, 2010
Alkalinity, Total 1927 Water Quality 2 of 2 results May 13, 2010 May 13, 2010
Calculated Sodium NACA Water Quality 2 of 2 results May 13, 2010 May 13, 2010
PH, Field Result PHFD Water Quality 2 of 2 results May 13, 2010 May 13, 2010
Nitrite 1041 Inorganic Chemical 1 of 22 results Feb 22, 2023 Feb 22, 2023
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Aug 13, 2019 Aug 13, 2019
Chromium 1020 Inorganic Chemical 1 of 10 results Apr 30, 2012 Apr 30, 2012
Dichloromethane 2964 Organic Chemical 1 of 12 results Aug 12, 2004 Aug 12, 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 51–60 of 159 samples, newest first — collected February 27, 2018 to October 14, 2019. The summary above covers all 159.

42 results from the 10 samples listed here: 5 detected, 37 not detected. Across the whole record it is 179 of 792. 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 Town of Monticello, every result from 51 to 60 of 159 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 14, 2019 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
191015-009CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 14, 2019 14:00, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Sep 24, 2019 11:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
680-175396-55
Laboratory
Test America-Savannah
10000 ug/l , sample collected Sep 24, 2019 11:45, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Sep 18, 2019
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041923720-0001
Laboratory
Emsl Analytical, Inc.
Not detected below 0.52 mfl Minimum Reporting Level , sample collected Sep 18, 2019, sampling point DS000 Asbestos 1094 EPA method 100.2 Not recorded
Collected
Aug 13, 2019 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190814-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 13, 2019 14:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 13, 2019 14:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2019 – Dec 31, 2019
Collected
Aug 13, 2019 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190814-001TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 13, 2019 14:00, sampling point MRT000 TTHM 2950 Jan 1, 2019 – Dec 31, 2019
Collected
May 28, 2019 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190529-015TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 28, 2019 13:30, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 28, 2019 13:30, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 28, 2019 13:30, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 28, 2019 13:30, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected May 28, 2019 13:30, sampling point MRT000 TTHM 2950 Not recorded
Collected
Apr 2, 2019 15:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190403-043IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0349 mg/l , sample collected Apr 2, 2019 15:00, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0008 mg/l , sample collected Apr 2, 2019 15:00, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2019 15:00, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Apr 1, 2019 16:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190402-104NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 16:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 16:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 16:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Aug 27, 2018 15:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180828-019HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 27, 2018 15:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 27, 2018 15:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 27, 2018 15:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 27, 2018 15:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 27, 2018 15:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Aug 27, 2018 15:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2017 – Dec 31, 2019
Collected
Feb 27, 2018 16:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
180228-019NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 27, 2018 16:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 27, 2018 16:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 27, 2018 16:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018

Routine (10).