Water Quality in 73021 — Colony, OK
EPA data for WASHITA CO RWD #2
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 73021 in Colony, Oklahoma is served by WASHITA CO RWD #2 (EPA ID: OK2007511). This system provides water to approximately 1,032 people from groundwater sources.
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 |
|---|---|---|---|
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 2 | Yes |
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.
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
- 73019 (Norman) — 146 violations
- 73020 (Choctaw) — 108 violations
- 73030 (Davis) — 42 violations
- 73085 (Yukon) — 201 violations
- 73101 (Oklahoma City) — 20 violations
Nearby Water Quality Reports
- 73015 (Carnegie) — 16 mi — 6 violations
- 73009 (Binger) — 20 mi — 17 violations
- 73005 (Anadarko) — 31 mi — 86 violations
- 73014 (Calumet) — 32 mi — 57 violations
- 73006 (Apache) — 35 mi — 84 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for WASHITA CO RWD #2 (OK2007511) on EPA.gov.
Frequently Asked Questions
Is the tap water in 73021 safe to drink?
Colony’s water system has recorded 1 health-based violation 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 73021’s water come from?
The primary water source for this area is groundwater. WASHITA CO RWD #2 serves approximately 1,032 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 73021 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 73021. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 73021?
Radon zone data is not available for ZIP code 73021. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.