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
MS0160010 , Willow Grove Water Assn
16 of the 57 analytes this system has been tested for have been detected at least once, across 559 samples on record.
The other 41 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 559 samples on record, detections range from December 31, 1993 to January 28, 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 | 280 of 315 results | Dec 31, 1993 | Aug 6, 2024 |
| Lead 1030 | Inorganic Chemical | 192 of 315 results | Dec 31, 1993 | Aug 6, 2024 |
| Nitrate-Nitrite 1038 | Inorganic Chemical | 50 of 69 results | May 3, 2004 | Jan 28, 2026 |
| Nitrate 1040 | Inorganic Chemical | 50 of 69 results | May 3, 2004 | Jan 28, 2026 |
| Barium 1010 | Inorganic Chemical | 34 of 34 results | Apr 23, 2002 | Feb 5, 2025 |
| Nickel 1036 | Inorganic Chemical | 27 of 34 results | Apr 23, 2002 | Feb 5, 2025 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 15 of 15 results | Mar 8, 2012 | Oct 11, 2012 |
| Sodium 1052 | Inorganic Chemical | 9 of 9 results | Sep 25, 2019 | Oct 14, 2024 |
| Fluoride 1025 | Inorganic Chemical | 9 of 34 results | Apr 23, 2002 | Oct 3, 2018 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 7 of 21 results | Jul 9, 2007 | Mar 12, 2025 |
| Chromium 1020 | Inorganic Chemical | 7 of 34 results | Apr 23, 2002 | Apr 14, 2014 |
| Sulfate 1055 | Inorganic Chemical | 6 of 7 results | Apr 23, 2002 | Jan 28, 2004 |
| Selenium 1045 | Inorganic Chemical | 4 of 34 results | Feb 28, 2005 | Mar 20, 2006 |
| Xylenes, Total 2955 | Organic Chemical | 2 of 46 results | Jul 17, 2012 | Jul 17, 2012 |
| TTHM 2950 | Organic Chemical | 2 of 19 results | Jul 9, 2007 | Sep 16, 2008 |
| Chloroform 2941 | Organic Chemical | 1 of 14 results | Jul 9, 2007 | Jul 9, 2007 |
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 559 samples, newest first — collected August 5, 2021 to January 18, 2022. The summary above covers all 559.
21 results from the 10 samples listed here: 13 detected, 8 not detected. Across the whole record it is 695 of 2,458. 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 Jan 18, 2022 13:16, sampling point TF080 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 18, 2022 13:16, sampling point TF080 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 18, 2022 13:16, sampling point TF080 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
|
||
| 0.22 mg/l , sample collected Aug 5, 2021 05:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| 1.1 ug/l , sample collected Aug 5, 2021 05:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0324 mg/l , sample collected Aug 5, 2021 06:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| 0.9 ug/l , sample collected Aug 5, 2021 06:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.362 mg/l , sample collected Aug 5, 2021 06:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| 0.9 ug/l , sample collected Aug 5, 2021 06:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.521 mg/l , sample collected Aug 5, 2021 05:45, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 5, 2021 05:45, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0787 mg/l , sample collected Aug 5, 2021 06:15, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 5, 2021 06:15, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0144 mg/l , sample collected Aug 5, 2021 05:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 5, 2021 05:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0088 mg/l , sample collected Aug 5, 2021 08:06, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 5, 2021 08:06, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.482 mg/l , sample collected Aug 5, 2021 05:30, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| 0.6 ug/l , sample collected Aug 5, 2021 05:30, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
|
||
| 0.0017 mg/l , sample collected Aug 5, 2021 09:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 5, 2021 09:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2019 – Dec 31, 2021 |
-
- Collected
- Jan 18, 2022 13:16
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- NI-220119-064
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
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 5, 2021 05:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-020
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.22 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 1.1 ug/l
-
- Collected
- Aug 5, 2021 06:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-019
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0324 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.9 ug/l
-
- Collected
- Aug 5, 2021 06:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-018
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.362 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.9 ug/l
-
- Collected
- Aug 5, 2021 05:45
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-017
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.521 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 5, 2021 06:15
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-016
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0787 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 5, 2021 05:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-015
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0144 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 5, 2021 08:06
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-014
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0088 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 5, 2021 05:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-013
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.482 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.6 ug/l
-
- Collected
- Aug 5, 2021 09:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- PB-210806-012
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0017 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).