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
MS0790006 , South Centreville W/A
18 of the 57 analytes this system has been tested for have been detected at least once, across 154 samples on record.
The other 39 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 154 samples on record, detections range from November 3, 2003 to August 26, 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.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 66 of 66 results | Aug 16, 2007 | Aug 14, 2023 |
| Barium 1010 | Inorganic Chemical | 10 of 10 results | Nov 3, 2003 | Apr 7, 2025 |
| Nickel 1036 | Inorganic Chemical | 9 of 10 results | Apr 5, 2004 | Apr 7, 2025 |
| TTHM 2950 | Organic Chemical | 8 of 19 results | Oct 3, 2007 | Aug 26, 2025 |
| Chromium 1020 | Inorganic Chemical | 8 of 10 results | Nov 3, 2003 | Apr 7, 2025 |
| Lead 1030 | Inorganic Chemical | 7 of 66 results | Aug 16, 2007 | Aug 14, 2023 |
| Dibromochloromethane 2944 | Organic Chemical | 6 of 14 results | Aug 2, 2010 | Aug 26, 2025 |
| Arsenic 1005 | Inorganic Chemical | 6 of 10 results | Apr 5, 2004 | Apr 7, 2025 |
| Chloroform 2941 | Organic Chemical | 4 of 14 results | Aug 2, 2010 | Aug 26, 2025 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 4 of 4 results | Feb 14, 2012 | Jul 20, 2012 |
| Bromodichloromethane 2943 | Organic Chemical | 3 of 14 results | Aug 2, 2010 | Aug 26, 2025 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 3 of 19 results | Aug 2, 2010 | Nov 30, 2021 |
| Bromoform 2942 | Organic Chemical | 2 of 14 results | Aug 2, 2010 | Aug 26, 2025 |
| Sodium 1052 | Inorganic Chemical | 2 of 2 results | Sep 24, 2019 | Mar 22, 2023 |
| Selenium 1045 | Inorganic Chemical | 2 of 10 results | Apr 5, 2004 | May 2, 2005 |
| Monobromoacetic Acid 2453 | Organic Chemical | 1 of 13 results | Oct 26, 2020 | Oct 26, 2020 |
| Nitrate 1040 | Inorganic Chemical | 1 of 21 results | Aug 9, 2006 | Aug 9, 2006 |
| Cadmium 1015 | Inorganic Chemical | 1 of 10 results | May 2, 2005 | May 2, 2005 |
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 121–130 of 154 samples, newest first — collected August 16, 2007 to June 8, 2009. The summary above covers all 154.
24 results from the 10 samples listed here: 9 detected, 15 not detected. Across the whole record it is 143 of 646. 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 0.25 mg/l Minimum Reporting Level , sample collected Jun 8, 2009, sampling point TF080 | Nitrate-Nitrite 1038 EPA method 353.2 | Jan 1, 2009 – Dec 31, 2009 |
| Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 8, 2009, sampling point TF080 | Nitrate 1040 EPA method 353.2 | Jan 1, 2009 – Dec 31, 2009 |
| Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 8, 2009, sampling point TF080 | Nitrite 1041 EPA method 353.2 | Jan 1, 2009 – Dec 31, 2009 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Aug 13, 2008, sampling point TF080 | Nitrate-Nitrite 1038 EPA method 353.2 | Jan 1, 2008 – Dec 31, 2008 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Aug 13, 2008, sampling point TF080 | Nitrate 1040 EPA method 353.2 | Jan 1, 2008 – Dec 31, 2008 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Aug 13, 2008, sampling point TF080 | Nitrite 1041 EPA method 353.2 | Jan 1, 2008 – Dec 31, 2008 |
|
||
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 3, 2007, sampling point MRT000 | Chloroform 2941 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 3, 2007, sampling point MRT000 | Bromoform 2942 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 3, 2007, sampling point MRT000 | Bromodichloromethane 2943 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 3, 2007, sampling point MRT000 | Dibromochloromethane 2944 EPA method 524.2 | Not recorded |
| 0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Oct 3, 2007, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2005 – Dec 31, 2007 |
|
||
| Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Sep 18, 2007, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Jan 1, 2005 – Dec 31, 2007 |
|
||
| 0.0132 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
| 0.0015 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
|
||
| 0.0191 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 16, 2007, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
|
||
| 0.0226 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 16, 2007, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
|
||
| 0.0135 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 16, 2007, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
|
||
| 0.0339 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
| 0.0005 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
|
||
| 0.0052 mg/l , sample collected Aug 16, 2007, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 16, 2007, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2008 |
-
- Collected
- Jun 8, 2009
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 090609-022NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2009 – Dec 31, 2009
-
Nitrate-Nitrite 1038 EPA method 353.2
- Result
- Not detected below 0.25 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method 353.2
- Result
- Not detected below 0.2 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method 353.2
- Result
- Not detected below 0.05 mg/l Minimum Reporting Level
-
- Collected
- Aug 13, 2008
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 080814-001NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2008
-
Nitrate-Nitrite 1038 EPA method 353.2
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method 353.2
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method 353.2
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Oct 3, 2007
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 071004-006TH
- Laboratory
- MSDH Lab
-
Chloroform 2941 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
- 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
- Not detected below 1 ug/l Minimum Reporting Level
- 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 EPA method 524.2
- Result
- 0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType.
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
- Collected
- Sep 18, 2007
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 070919-015HA
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- Not detected below 0.006 mg/l Minimum Reporting Level
-
- Collected
- Aug 16, 2007
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 070817-106PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2008
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0132 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0015 mg/l
-
- Collected
- Aug 16, 2007
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 070817-109PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2008
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0191 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 16, 2007
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 070817-105PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2008
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0226 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 16, 2007
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 070817-108PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2008
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0135 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 16, 2007
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 070817-104PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2008
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0339 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0005 mg/l
-
- Collected
- Aug 16, 2007
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 070817-125PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2008
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0052 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
Routine (10).