No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2023.
Serves about 8,500 people (6,701 connections) with surface water bought from Columbia County Water Utility, Calhoun Falls Town of (SC0110002) and Mccormick CPW (SC3510001).
From EPA's record for SC3520002. PurityMap is independent of Mccormick Co W&sa (SC3520002).
Are you this utility? Correct this listing →
10 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2022 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.115 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.111 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.099 mg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2019 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2019 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2023 to October 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 8.8 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | 6.6 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorobutanesulfonic acid (PFBS) | 4.9 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorohexanoic acid (PFHxA) | 3.4 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoropentanoic acid (PFPeA) | 3.4 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-01-17 to 2023-10-10 | UCMR5 Analytical Results: MCCORMICK CO W&SA (SC3520002) (SC3520002) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Mccormick Co W&sa (SC3520002)'s phone number on EPA record is 864-852-2231. Its mailing address is MCCORMICK COUNTY WATER & SEWER AUTHORITY, 610 S MINE ST, MCCORMICK, SC 29835.
According to EPA's record, Mccormick Co W&sa (SC3520002) uses surface water bought from Columbia County Water Utility, Calhoun Falls Town of (SC0110002) and Mccormick CPW (SC3510001).
EPA's record shows 10 health-based violations for Mccormick Co W&sa (SC3520002) in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting January 2023. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Mccormick Co W&sa (SC3520002)'s latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Mccormick Co W&sa (SC3520002). Its phone number on EPA record is 864-852-2231. Its mailing address on EPA record is MCCORMICK COUNTY WATER & SEWER AUTHORITY, 610 S MINE ST, MCCORMICK, SC 29835. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.