Water Quality in 73101 — Oklahoma City, OK
EPA data for OKLAHOMA CITY
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 73101 in Oklahoma City, Oklahoma is served by OKLAHOMA CITY (EPA ID: OK1020902). This system provides water to approximately 644,000 people from surface water sources.
There are 11 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | No |
| Gross Alpha | Radionuclides | 3 | No |
| Combined Radium | Radionuclides | 3 | No |
| Gross Beta | Radionuclides | 3 | No |
| Contaminant 4100 | Other | 3 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| OKLAHOMA CITY | OK1020902 | 644,000 | Surface water |
| TINKER AIR FORCE BASE | OK2005508 | 24,645 | Groundwater |
| FALLS CREEK BAPTIST CONFERENCE CENTER | OK1010840 | 7,000 | Surface water |
| LAKE FOREST MHP | OK3005557 | 500 | Surface water |
| HILLCREST MHP | OK2005513 | 400 | Groundwater |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Oklahoma
- 73002 (Alex) — 104 violations
- 73003 (Edmond) — 84 violations
- 73004 (Amber) — 304 violations
- 73005 (Anadarko) — 86 violations
- 73006 (Apache) — 84 violations
- 73007 (Arcadia) — 31 violations
- 73008 (Bethany) — 25 violations
- 73009 (Binger) — 17 violations
- 73010 (Blanchard) — 39 violations
- 73011 (Bradley) — 307 violations
- 73014 (Calumet) — 57 violations
- 73015 (Carnegie) — 6 violations
- 73016 (Cashion) — 4 violations
- 73017 (Cement) — 10 violations
- 73018 (Chickasha) — 50 violations
- 73019 (Norman) — 146 violations
- 73020 (Choctaw) — 108 violations
- 73021 (Colony) — 2 violations
- 73030 (Davis) — 42 violations
- 73085 (Yukon) — 201 violations
Nearby Water Quality Reports
- 73008 (Bethany) — 4 mi — 25 violations
- 73085 (Yukon) — 11 mi — 201 violations
- 73003 (Edmond) — 13 mi — 84 violations
- 73020 (Choctaw) — 16 mi — 108 violations
- 73007 (Arcadia) — 17 mi — 31 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for OKLAHOMA CITY (OK1020902) on EPA.gov.
Frequently Asked Questions
Is the tap water in 73101 safe to drink?
Based on EPA records, the water system serving ZIP code 73101 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 73101’s water come from?
The primary water source for this area is surface water. OKLAHOMA CITY serves approximately 644,000 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 73101 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 73101. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 73101?
Radon zone data is not available for ZIP code 73101. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.