Drinking water quality · 2017
· Verified
What's in Syr4 — Ontario Municipal Utilities Company (2017), CA tap water
0 contaminants were measured in the Syr4 — Ontario Municipal Utilities Company (2017), CA water system's 2017 annual report. Each is shown below against its federal limit.
- Reporting year
- 2017
- Contaminants measured
- 0
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
PFAS — EPA UCMR5 (2023–2025)
2 PFAS compounds above EPA limits in Syr4 — Ontario Municipal Utilities Company (2017), CA
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFOA (Perfluorooctanoic acid)
● Over EPA limit (7.5×)PFOS (Perfluorooctane sulfonic acid)
● Over EPA limit (1.3×)PFHxS (Perfluorohexane sulfonic acid)
● Below limitPFPeA
● Detected (no federal limit)PFHxA
● Detected (no federal limit)PFBA
● Detected (no federal limit)Where your water comes from · EPA SDWIS
Syr4 — Ontario Municipal Utilities Company (2017), CA's drinking water comes from ground water, drawn from 18 sources.
Source
- WELL · 14
- WELL NO. · 3
- WELL 41 - RAW
Treatment
- WELL 43 - TREATED (CL2)
- WELL 37 AND 39 IX FINISHED BLEND EFF
- WELLS 37 AND 39 IX COMBINED VESSEL EFF
- + 15 more
Distribution
Also buys water from CHINO BASIN DESALTER AUTH. - DESALTER 2, JURUPA COMMUNITY SD, and 3 more.
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Treatment technique violationHealth-based1 violation on record · most recent Jun 1993resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
People also ask about Syr4 — Ontario Municipal Utilities Company (2017), CA's water
+Is Syr4 — Ontario Municipal Utilities Company (2017), CA tap water safe to drink in 2017?
Every one of the 0 contaminants measured in Syr4 — Ontario Municipal Utilities Company (2017), CA's 2017 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Syr4 — Ontario Municipal Utilities Company (2017), CA tap water?
0 contaminants were measured in Syr4 — Ontario Municipal Utilities Company (2017), CA's 2017 Consumer Confidence Report. 0 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Syr4 — Ontario Municipal Utilities Company (2017), CA's 2017 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Syr4 — Ontario Municipal Utilities Company (2017), CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2017 report; a new report will replace it once the utility publishes its next annual update.