No health-based violations on EPA record since 2016.
Serves about 43,813 people (13,098 connections) with surface water bought from Sacramento County Water Agency.
From EPA's record for CA3410008. PurityMap is independent of Elk Grove Water 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 August 2023 to February 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorohexanesulfonic acid (PFHxS) | 3.8 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoropentanoic acid (PFPeA) | 4.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| 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 | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2024-02-06 | UCMR5 Analytical Results: ELK GROVE WATER DISTRICT (CA3410008) |
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 →Elk Grove Water District's phone number on EPA record is 916-685-3556. Its mailing address is 9829 Waterman Rd., ELK GROVE, CA 95624.
According to EPA's record, Elk Grove Water District uses surface water bought from Sacramento County Water Agency.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Elk Grove Water District'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 Elk Grove Water District. Its phone number on EPA record is 916-685-3556. Its mailing address on EPA record is 9829 Waterman Rd., ELK GROVE, CA 95624. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.