No health-based violations on EPA record since 2016.
Serves about 3,438 people (1,375 connections) with groundwater from its own wells, and buys water from East Central Regional WD-GF.
From EPA's record for ND1801056. PurityMap is independent of Agassiz Water Users District.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from June 2024 to December 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| 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 | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-18 | UCMR5 Analytical Results: AGASSIZ WATER USERS DISTRICT (ND1801056) |
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 →Agassiz Water Users District's phone number on EPA record is 701-869-2690. Its mailing address is 217 MAIN AVE, PO BOX 185, GILBY, ND 58235.
According to EPA's record, Agassiz Water Users District uses groundwater from its own wells, and buys water from East Central Regional WD-GF.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Agassiz Water Users District's latest lead and copper round, which ended in December 2025, was 3.11 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Agassiz Water Users District. Its phone number on EPA record is 701-869-2690. Its mailing address on EPA record is 217 MAIN AVE, PO BOX 185, GILBY, ND 58235. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.