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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

MS0200006 , Rocky Creek Utilities, Inc

20 of the 58 analytes this system has been tested for have been detected at least once, across 352 samples on record.

The other 38 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 352 samples on record, detections range from October 5, 1993 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.

Every analyte ever detected for Rocky Creek Utilities, Inc, 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 106 of 140 results Oct 5, 1993 Jun 10, 2025
Lead 1030 Inorganic Chemical 100 of 140 results Oct 5, 1993 Jun 10, 2025
Barium 1010 Inorganic Chemical 28 of 28 results May 21, 2002 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 28 of 28 results May 21, 2002 Feb 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 24 of 25 results Aug 2, 2007 Feb 11, 2026
TTHM 2950 Organic Chemical 24 of 24 results May 26, 2004 Feb 11, 2026
Dichloroacetic Acid 2451 Organic Chemical 18 of 18 results Sep 16, 2008 Feb 11, 2026
Trichloroacetic Acid 2452 Organic Chemical 18 of 18 results Sep 16, 2008 Feb 11, 2026
Chloroform 2941 Organic Chemical 18 of 18 results Aug 2, 2007 Feb 11, 2026
Bromodichloromethane 2943 Organic Chemical 17 of 18 results Aug 2, 2007 Feb 11, 2026
Dibromochloromethane 2944 Organic Chemical 16 of 18 results Aug 2, 2007 Feb 11, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 7, 2012 Oct 2, 2012
Chromium 1020 Inorganic Chemical 10 of 28 results May 21, 2002 Feb 3, 2025
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 17, 2019 Jan 29, 2024
Nickel 1036 Inorganic Chemical 7 of 28 results Apr 2, 2008 Feb 3, 2025
Sulfate 1055 Inorganic Chemical 4 of 4 results May 21, 2002 Feb 4, 2004
Dibromoacetic Acid 2454 Organic Chemical 3 of 18 results Jul 18, 2012 Jun 17, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 18 results Jul 29, 2019 Sep 1, 2020
Monochloroacetic Acid 2450 Organic Chemical 2 of 18 results Jul 23, 2018 Jul 29, 2019
Selenium 1045 Inorganic Chemical 1 of 28 results Feb 28, 2005 Feb 28, 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 41–50 of 352 samples, newest first — collected July 14, 2022 to April 26, 2023. The summary above covers all 352.

21 results from the 10 samples listed here: 12 detected, 9 not detected. Across the whole record it is 450 of 1,614. 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 Rocky Creek Utilities, Inc, every result from 41 to 50 of 352 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
Apr 26, 2023 10:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230427-006
Laboratory
MSDH Lab
17.6 ug/l , sample collected Apr 26, 2023 10:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Apr 26, 2023 10:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230427-006
Laboratory
MSDH Lab
15.7 ug/l , sample collected Apr 26, 2023 10:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jan 25, 2023 12:25
Sampling point
TF103
Sample type
Routine
Lab sample
NI-230126-003
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:25, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:25, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:25, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 25, 2023 12:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-230126-002
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:40, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:40, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 25, 2023 12:11
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230126-053
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:11, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:11, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 25, 2023 12:11, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jul 14, 2022 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220715-010
Laboratory
MSDH Lab
0.0595 mg/l , sample collected Jul 14, 2022 09:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.5 ug/l , sample collected Jul 14, 2022 09:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 14, 2022 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220715-009
Laboratory
MSDH Lab
0.226 mg/l , sample collected Jul 14, 2022 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.6 ug/l , sample collected Jul 14, 2022 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 14, 2022 06:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220715-008
Laboratory
MSDH Lab
0.0239 mg/l , sample collected Jul 14, 2022 06:38, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.9 ug/l , sample collected Jul 14, 2022 06:38, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 14, 2022 07:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220715-007
Laboratory
MSDH Lab
0.25 mg/l , sample collected Jul 14, 2022 07:44, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.9 ug/l , sample collected Jul 14, 2022 07:44, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 14, 2022 06:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220715-006
Laboratory
MSDH Lab
0.335 mg/l , sample collected Jul 14, 2022 06:28, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.3 ug/l , sample collected Jul 14, 2022 06:28, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).