Water Quality in 73019 — Norman, OK
EPA data for NORMAN UTILITIES AUTHORITY
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 73019 in Norman, Oklahoma is served by NORMAN UTILITIES AUTHORITY (EPA ID: OK1020801). This system provides water to approximately 104,868 people from surface water sources.
There are 6 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
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 1, 2025 | Revised Total Coliform Rule | Monitoring | Unresolved |
| August 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| June 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| May 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| May 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| April 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| April 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| February 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| February 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| January 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| November 1, 2024 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| November 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| November 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Unresolved |
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 59 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 7 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 7 | No |
| Atrazine | Organic | 4 | No |
| Stage 2 DBP Rule | Treatment Technique | 4 | Yes |
| Revised Total Coliform Rule | Microbiological | 4 | No |
| Arsenic | Inorganic | 4 | No |
| Contaminant 2005 | Other | 2 | No |
| Contaminant 2010 | Other | 2 | No |
| Contaminant 2015 | Other | 2 | No |
| Contaminant 2020 | Other | 2 | No |
| Contaminant 2031 | Other | 2 | No |
| Contaminant 2032 | Other | 2 | No |
| Contaminant 2033 | Other | 2 | No |
| Contaminant 2034 | Other | 2 | 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 |
|---|---|---|---|
| NORMAN UTILITIES AUTHORITY | OK1020801 | 104,868 | Surface water |
| OKLAHOMA UNIVERSITY | OK3001414 | 34,000 | Surface water |
| WILDFIRE ESTATES HOMEOWNERS | OK2001477 | 285 | Groundwater |
| MCCLAIN COUNTY RW & SD #9 | OK3004713 | 250 | Surface water |
| WHIPPOORWILL ESTATES | OK2004734 | 83 | Groundwater |
What You Can Do
- Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
- Consider a home water test — Independent testing can reveal issues in your specific plumbing
- Install a certified water filter — NSF-certified filters can address specific contaminants
- Contact your water provider — Ask about current treatment and any ongoing remediation
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
- 73020 (Choctaw) — 108 violations
- 73021 (Colony) — 2 violations
- 73030 (Davis) — 42 violations
- 73085 (Yukon) — 201 violations
- 73101 (Oklahoma City) — 20 violations
Nearby Water Quality Reports
- 73010 (Blanchard) — 13 mi — 39 violations
- 73020 (Choctaw) — 21 mi — 108 violations
- 73101 (Oklahoma City) — 21 mi — 20 violations
- 73008 (Bethany) — 23 mi — 25 violations
- 73004 (Amber) — 23 mi — 304 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for NORMAN UTILITIES AUTHORITY (OK1020801) on EPA.gov.
Frequently Asked Questions
Is the tap water in 73019 safe to drink?
Norman’s water system has recorded 8 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
Where does 73019’s water come from?
The primary water source for this area is surface water. NORMAN UTILITIES AUTHORITY serves approximately 104,868 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 73019 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 73019. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 73019?
Radon zone data is not available for ZIP code 73019. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.