No open EPA violations as of 2026-10-15.
EPA record checked 2026-10-06
From EPA's record for WA5338100. PurityMap is independent of City of Kennewick.
Your water bill lists the utility's phone number and website.
Every community water system publishes one each year. Your water bill or the utility's website links to it.
As listed in EPA's records. Your water bill names your supplier.
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31 results are on record. These 5 come first: results above a listed reference, then those closest to a legal limit.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 11.5 ng/L | 4.0 ng/L federal MCL (2024) | Above EPA's 2024 limit (one sample) | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorooctanoic acid (PFOA) | 4.6 ng/L | 4.0 ng/L federal MCL (2024) | Above EPA's 2024 limit (one sample) | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorohexanesulfonic acid (PFHxS) | 10.6 ng/L | 10 ng/L federal MCL (2024) | Above EPA's 2024 limit (one sample) | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Lithium | 9.38 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorobutanesulfonic acid (PFBS) | 6.4 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 | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorohexanoic acid (PFHxA) | 6.5 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoropentanoic acid (PFPeA) | 7.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| 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 | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| 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 | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| 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 | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| 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 | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| 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 | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Lead (90th percentile) | Non-Detect (ND) | 15 µg/L federal action level | Not detected above the reporting limit | 2023–2025 monitoring period | Lead & Copper Rule 90th-percentile: KENNEWICK CITY OF (WA5338100) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2023-11-07 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-06 to 2024-01-03 | UCMR5 Analytical Results: KENNEWICK CITY OF (WA5338100) |
0health-based violations in the last 10 years · none open as of 2026-10-15
From EPA SDWIS. A clean violation history means no enforcement action was recorded; it does not cover contaminants without a limit. Meeting a federal limit is a compliance fact, not a health clearance.
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.
Tested your own tap? Read your results →
★ Best choice: Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200), certified for PFOA and PFOS.
| Pick | Product | Certification | Price | Link |
|---|---|---|---|---|
| ★ Best choice | Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200) | Certified for PFOA and PFOS (NSF/ANSI 53, WQA) | $$ | Check price on Amazon |
| Also good | Aquasana Claryum 3-Stage Max Flow Under-Sink Filter (AQ-6300M) | Certified for PFOA and PFOS (NSF/ANSI 53, WQA) | $$ | Check price at Aquasana |
| Also good | Aquasana Clean Water Machine Countertop Filter (AQ-CWM2) | Certified for PFOA and PFOS (NSF/ANSI 53, WQA) | $$ | Check price at Aquasana |
★ Best choice: HealthShield™, certified for PFHxS, PFOA and PFOS.
| Pick | Product | Certification | Price | Link |
|---|---|---|---|---|
| ★ Best choice | HealthShield™ | Certified for PFHxS, PFOA and PFOS (NSF/ANSI 53, WQA) | $$$$ | Check price at Aquasana |
| $ Budget pick | iSpring WGB32B-PFKS PFAS & Heavy Metals Whole House FilterUse code REFISPRING at checkout: 10% off your first iSpring order. | Brand lab-tested for PFAS, not independently certified for PFHxS, PFOA, PFOS, Perfluorobutanesulfonic acid (PFBS), Perfluorohexanoic acid (PFHxA) and Perfluoropentanoic acid (PFPeA) | $$$ | Check price at iSpring |
PurityMap earns a commission from these links. "Best choice" and "Budget pick" go to certified products first; commission never decides them. As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure.
One email when a new sampling round is published or a result moves across its reference.
Follow this water →Its mailing address is PO Box 6108, Kennewick, WA 99336. These details come from the system's EPA record.
PurityMap has no verified website for City of Kennewick. Its mailing address on EPA record is PO Box 6108, Kennewick, WA 99336. Your water bill lists the ways to pay. PurityMap does not take payments.
EPA's records list City of Kennewick as serving Kennewick, Washington. Your water bill names your supplier.
PurityMap's record for City of Kennewick holds results for 29 PFAS substances. 6 were detected, and none is above a federal legal limit. Each result links to its source in the city report.
No open EPA violations as of 2026-10-15: that is what EPA's record shows for City of Kennewick. The record comes from EPA's SDWIS compliance database.
City of Kennewick is on EPA record as drawing from surface water.
Start with the hot-or-cold tap check. Where City of Kennewick reported something related, it's shown below.
Lead at City of Kennewick: not detected (90th percentile, 2023–2025 monitoring period). Lead has no taste, so a taste neither shows nor rules it out.