Drinking water quality · 2024
· Verified
What's in Tulsa, OK tap water
7 contaminants were measured in the Tulsa, OK water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 7
- Over federal limit
- 0
- Approaching the limit
- 1
- Service area
- OK
Where your water comes from · EPA SDWIS
Tulsa, OK's drinking water comes from surface water, drawn from 2 sources.
Source
- SPAVINAW LAKE
- OOLAGAH LAKE
Treatment
- TULSA MOHAWK WTP
- TULSA A.B. JEWELL WTP
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Tulsa, OK
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
TTHM worst: 2012 | 0.106 mg/L 1.3× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2012 | 0.0458 mg/L within | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
CHLORITE worst: 2015 | 0.56 mg/L within | 1 mg/L | '12'13'14'15'16'17'18'19 |
FLUORIDE worst: 2014 | 0.92 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
ATRAZINE worst: 2019 | 0.000474 mg/L within below national p90 | 0.003 mg/L | '18'19 |
NITRATE NITRITE worst: 2016 | 1.1 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
BARIUM worst: 2012 | 0.066 mg/L within below national p90 | 2 mg/L | '12 |
GLYPHOSATE worst: 2014 | 0.0022 mg/L within | 0.7 mg/L | '14 |
COPPER worst: 2012 | 0.088 mg/L below national p90 | — | '12'13'16'18'19 |
LEAD worst: 2013 | 0.007 mg/L | — | '13'16'18'19 |
DBAA worst: 2013 | 0.0015 mg/L | — | '13'14'15'16'17'18'19 |
DCAA worst: 2013 | 0.0089 mg/L | — | '13'14'15'16'17'18'19 |
MBAA worst: 2019 | 0.0015 mg/L | — | '19 |
MCAA worst: 2013 | 0.0021000000000000003 mg/L | — | '13'15'16'17'18'19 |
TCAA worst: 2013 | 0.0074 mg/L | — | '13'14'15'16'17'18'19 |
BROMOFORM worst: 2014 | 0.0016 mg/L | — | '14'15'18 |
BROMODICHLOROMETHANE worst: 2013 | 0.0095 mg/L | — | '13'14'15'16'17'18'19 |
CHLOROFORM worst: 2013 | 0.018000000000000002 mg/L | — | '13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2013 | 0.0047 mg/L | — | '13'14'15'16'17'18'19 |
People also ask about Tulsa, OK's water
+Is Tulsa, OK tap water safe to drink in 2024?
Every one of the 7 contaminants measured in Tulsa, OK's 2024 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 Tulsa, OK tap water?
7 contaminants were measured in Tulsa, OK's 2024 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 7 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Tulsa, OK tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: TTHM. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Tulsa, OK's 2024 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 Tulsa, OK'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 2024 report; a new report will replace it once the utility publishes its next annual update.