No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting December 2022.
Serves about 9,910 people (3,964 connections) with groundwater from its own wells.
From EPA's record for NV0000207. PurityMap is independent of Great Basin Water Co Cold Springs.
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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 December 2022 | E. coli | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2025 to July 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorobutanesulfonic acid (PFBS) | 5.1 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorohexanoic acid (PFHxA) | 4.7 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoropentanoic acid (PFPeA) | 6.2 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| 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 | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-21 to 2025-07-21 | UCMR5 Analytical Results: GREAT BASIN WATER CO COLD SPRINGS (NV0000207) |
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 →Great Basin Water Co Cold Springs's phone number on EPA record is 775-337-1001. Its mailing address is 1005 TERMINAL WAY, SUITE 294, RENO, NV 89502.
According to EPA's record, Great Basin Water Co Cold Springs uses groundwater from its own wells.
EPA's record shows 1 health-based violation for Great Basin Water Co Cold Springs 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 December 2022. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Great Basin Water Co Cold Springs's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Great Basin Water Co Cold Springs. Its phone number on EPA record is 775-337-1001. Its mailing address on EPA record is 1005 TERMINAL WAY, SUITE 294, RENO, NV 89502. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.