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
MS0660002 , McHenry Utility Assn, Inc
21 of the 54 analytes this system has been tested for have been detected at least once, across 173 samples on record.
The other 33 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 173 samples on record, detections range from October 27, 2003 to February 11, 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.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 60 of 60 results | Aug 23, 2007 | Aug 10, 2023 |
| Lead 1030 | Inorganic Chemical | 34 of 60 results | Aug 23, 2007 | Aug 9, 2023 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 17 of 20 results | Aug 16, 2004 | Feb 11, 2026 |
| TTHM 2950 | Organic Chemical | 16 of 21 results | Aug 16, 2004 | Feb 11, 2026 |
| Barium 1010 | Inorganic Chemical | 15 of 15 results | Oct 27, 2003 | Mar 25, 2025 |
| Fluoride 1025 | Inorganic Chemical | 15 of 15 results | Oct 27, 2003 | Mar 25, 2025 |
| Chromium 1020 | Inorganic Chemical | 10 of 15 results | Oct 27, 2003 | May 15, 2019 |
| Chloroform 2941 | Organic Chemical | 9 of 13 results | Jun 20, 2011 | Feb 11, 2026 |
| Dichloroacetic Acid 2451 | Organic Chemical | 8 of 12 results | Jun 20, 2011 | Feb 11, 2026 |
| Bromodichloromethane 2943 | Organic Chemical | 6 of 13 results | Jun 20, 2011 | Jun 27, 2024 |
| Trichloroacetic Acid 2452 | Organic Chemical | 5 of 12 results | Jun 20, 2011 | Jun 27, 2024 |
| Sulfate 1055 | Inorganic Chemical | 4 of 4 results | Oct 27, 2003 | Mar 29, 2004 |
| Dibromochloromethane 2944 | Organic Chemical | 2 of 13 results | May 15, 2019 | Mar 5, 2024 |
| Sodium 1052 | Inorganic Chemical | 2 of 2 results | Sep 19, 2019 | Dec 13, 2023 |
| Monobromoacetic Acid 2453 | Organic Chemical | 2 of 12 results | Jun 20, 2011 | Oct 22, 2020 |
| Nitrate-Nitrite 1038 | Inorganic Chemical | 1 of 31 results | Mar 13, 2023 | Mar 13, 2023 |
| Nitrate 1040 | Inorganic Chemical | 1 of 31 results | Mar 13, 2023 | Mar 13, 2023 |
| Monochloroacetic Acid 2450 | Organic Chemical | 1 of 12 results | Aug 15, 2017 | Aug 15, 2017 |
| Mercury 1035 | Inorganic Chemical | 1 of 15 results | Dec 19, 2016 | Dec 19, 2016 |
| Nickel 1036 | Inorganic Chemical | 1 of 15 results | May 22, 2013 | May 22, 2013 |
| Cadmium 1015 | Inorganic Chemical | 1 of 15 results | Oct 27, 2003 | Oct 27, 2003 |
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 61–70 of 173 samples, newest first — collected July 26, 2017 to April 2, 2018. The summary above covers all 173.
28 results from the 10 samples listed here: 18 detected, 10 not detected. Across the whole record it is 211 of 812. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2018 12:07, sampling point TF102 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2018 – Dec 31, 2018 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 2, 2018 12:07, sampling point TF102 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2018 – Dec 31, 2018 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 2, 2018 12:07, sampling point TF102 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2018 – Dec 31, 2018 |
|
||
| 0.008 mg/l , sample collected Aug 15, 2017 13:15, sampling point MRT000 | Monochloroacetic Acid 2450 EPA method 552.2 | Not recorded |
| 0.004 mg/l , sample collected Aug 15, 2017 13:15, sampling point MRT000 | Dichloroacetic Acid 2451 EPA method 552.2 | Not recorded |
| 0.004 mg/l , sample collected Aug 15, 2017 13:15, 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 15, 2017 13:15, 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 15, 2017 13:15, sampling point MRT000 | Dibromoacetic Acid 2454 EPA method 552.2 | Not recorded |
| 0.016 mg/l , sample collected Aug 15, 2017 13:15, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 10.7 ug/l , sample collected Aug 15, 2017 12:11, sampling point MRT000 | Chloroform 2941 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2017 12:11, sampling point MRT000 | Bromoform 2942 EPA method 524.2 | Not recorded |
| 1.42 ug/l , sample collected Aug 15, 2017 12:11, sampling point MRT000 | Bromodichloromethane 2943 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2017 12:11, sampling point MRT000 | Dibromochloromethane 2944 EPA method 524.2 | Not recorded |
| 12.1 ug/l , sample collected Aug 15, 2017 12:11, sampling point MRT000 | TTHM 2950 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0295 mg/l , sample collected Jul 28, 2017 09:20, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0006 mg/l , sample collected Jul 28, 2017 09:20, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0977 mg/l , sample collected Jul 27, 2017 07:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0009 mg/l , sample collected Jul 27, 2017 07:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0422 mg/l , sample collected Jul 27, 2017 06:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2017 06:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.01 mg/l , sample collected Jul 26, 2017 06:10, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 26, 2017 06:10, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0901 mg/l , sample collected Jul 26, 2017 05:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0006 mg/l , sample collected Jul 26, 2017 05:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0286 mg/l , sample collected Jul 26, 2017 06:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| 0.0005 mg/l , sample collected Jul 26, 2017 06:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
|
||
| 0.0919 mg/l , sample collected Jul 26, 2017 07:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 26, 2017 07:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2015 – Dec 31, 2017 |
-
- Collected
- Apr 2, 2018 12:07
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 180403-101NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2018 – Dec 31, 2018
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method QC10107041C
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Aug 15, 2017 13:15
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 170816-010HA
- Laboratory
- MSDH Lab
-
Monochloroacetic Acid 2450 EPA method 552.2
- Result
- 0.008 mg/l
- Monitoring period
- Not recorded
-
Dichloroacetic Acid 2451 EPA method 552.2
- Result
- 0.004 mg/l
- Monitoring period
- Not recorded
-
Trichloroacetic Acid 2452 EPA method 552.2
- Result
- 0.004 mg/l
- Monitoring period
- Not recorded
-
Monobromoacetic Acid 2453 EPA method 552.2
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Dibromoacetic Acid 2454 EPA method 552.2
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456
- Result
- 0.016 mg/l
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
- Collected
- Aug 15, 2017 12:11
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 170816-010TH
- Laboratory
- MSDH Lab
-
Chloroform 2941 EPA method 524.2
- Result
- 10.7 ug/l
- Monitoring period
- Not recorded
-
Bromoform 2942 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Bromodichloromethane 2943 EPA method 524.2
- Result
- 1.42 ug/l
- Monitoring period
- Not recorded
-
Dibromochloromethane 2944 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
TTHM 2950
- Result
- 12.1 ug/l
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
- Collected
- Jul 28, 2017 09:20
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-070PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0295 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0006 mg/l
-
- Collected
- Jul 27, 2017 07:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-067PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0977 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0009 mg/l
-
- Collected
- Jul 27, 2017 06:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-064PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0422 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 26, 2017 06:10
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-079PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.01 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 26, 2017 05:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-078PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0901 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0006 mg/l
-
- Collected
- Jul 26, 2017 06:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-073PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0286 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0005 mg/l
-
- Collected
- Jul 26, 2017 07:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 170801-066PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0919 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
Routine (10).