No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting May 2019.
Serves about 7,368 people (3,452 connections) with surface water bought from Spartanburg Water, Woodruff Roebuck W/D (Sc4220007), Union City of (Sc4410001) and 1 more.
From EPA's record for SC4420001. PurityMap is independent of Meansville Riley W/D (Sc4420001).
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From May 2019 | E. coli | – | – | Archived |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to November 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 5.2 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorooctanesulfonic acid (PFOS) | 4.9 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorohexanoic acid (PFHxA) | 4.3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoroheptanoic acid (PFHpA) | 3.2 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoropentanoic acid (PFPeA) | 4.7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-18 to 2025-11-17 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 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 | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 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 | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 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 | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 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 | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 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 | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| 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 | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-04 | UCMR5 Analytical Results: MEANSVILLE RILEY W/D (SC4420001) (SC4420001) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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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 →Meansville Riley W/D (Sc4420001)'s phone number on EPA record is 864-427-5832. Its mailing address is 1779 CROSS KEYS HWY, PO BOX 823, UNION, SC 29379.
According to EPA's record, Meansville Riley W/D (Sc4420001) uses surface water bought from Spartanburg Water, Woodruff Roebuck W/D (Sc4220007), Union City of (Sc4410001) and 1 more.
EPA's record shows 1 health-based violation for Meansville Riley W/D (Sc4420001) 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 May 2019. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Meansville Riley W/D (Sc4420001)'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 Meansville Riley W/D (Sc4420001). Its phone number on EPA record is 864-427-5832. Its mailing address on EPA record is 1779 CROSS KEYS HWY, PO BOX 823, UNION, SC 29379. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.