Owasso, OK (74055): 17 Health-Based Violations Recorded for Mapped Water Systems
EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: Washington Company Rwd #3 (new,#1))
Health-based violation records by water system:
EPA records for the water systems mapped to 74055 in Owasso, OK contain 35 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 17 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 17 health-based violations and 18 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 28 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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Although the dataset for Owasso (74055) is limited in scope, one critical condition stands as the only elevated finding on record.
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 74055 in Owasso, Oklahoma is mapped to the water system Washington Company Rwd #3 (new,#1) (EPA ID: OK1021418). This system provides water to approximately 25,375 people from surface water sources.
There are 5 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Washington Company Rwd #3 (new,#1) | OK1021418 | 25,375 | Surface water |
| Rogers Company Rwd # 3 Lake Plant | OK1021513 | 10,470 | Surface water |
| Owasso | OK3007218 | 23,000 | Surface water |
| Tulsa | OK1020418 | 413,000 | Surface water |
| Rogers Company Rwd # 5 | OK1021507 | 11,782 | Surface water |
Other Water Quality Reports in Oklahoma
- 73001 (Albert)
- 73002 (Alex) - 39 violations recorded for mapped water systems
- 73003 (Edmond)
- 73004 (Amber) - 166 violations recorded for mapped water systems
- 73005 (Anadarko) - 102 violations recorded for mapped water systems
- 73006 (Apache) - 39 violations recorded for mapped water systems
- 73007 (Arcadia) - 30 violations recorded for mapped water systems
- 73008 (Bethany) - 7 violations recorded for mapped water systems
- 73009 (Binger) - 14 violations recorded for mapped water systems
- 73010 (Blanchard) - 677 violations recorded for mapped water systems
- 73011 (Bradley) - 105 violations recorded for mapped water systems
- 73012 (Edmond) - 8 violations recorded for mapped water systems
- 73013 (Edmond) - 8 violations recorded for mapped water systems
- 73014 (Calumet) - 90 violations recorded for mapped water systems
- 73015 (Carnegie) - 6 violations recorded for mapped water systems
- 73016 (Cashion) - 195 violations recorded for mapped water systems
- 73017 (Cement) - 109 violations recorded for mapped water systems
- 73018 (Chickasha) - 191 violations recorded for mapped water systems
- 73019 (Norman) - 3 violations recorded for mapped water systems
- 73020 (Choctaw) - 290 violations recorded for mapped water systems
Nearby Water Quality Reports
- 74117 (Tulsa) - 5 mi - 8 violations recorded for mapped water systems
- 74021 (Collinsville) - 6 mi - 69 violations recorded for mapped water systems
- 74156 (Tulsa) - 8 mi
- 74116 (Tulsa) - 8 mi - 29 violations recorded for mapped water systems
- 74130 (Tulsa) - 8 mi - 8 violations recorded for mapped water systems
- 74073 (Sperry) - 9 mi - 15 violations recorded for mapped water systems
- 74115 (Tulsa) - 9 mi
- 74015 (Catoosa) - 9 mi - 70 violations recorded for mapped water systems
- 74108 (Tulsa) - 10 mi - 36 violations recorded for mapped water systems
- 74128 (Tulsa) - 10 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Washington Company Rwd #3 (new,#1) (OK1021418) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Compliance History
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 74055 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Health Risks from Detected Contaminants
Haloacetic Acids (HAA5)
High RiskEPA reference value: 0.06 mg/L · 12 violations on record
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis · Find a filter →
Total Trihalomethanes (TTHM)
High RiskEPA reference value: 0.08 mg/L · 12 violations on record
Long-term exposure is associated with increased cancer risk, including bladder cancer; possible reproductive effects
At-risk groups: pregnant women, long-term consumers of chlorinated water
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, point-of-entry aeration · Find a filter →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Owasso
Based on local data for ZIP 74055, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Owasso has 28 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 74055 safe to drink?
EPA SDWIS records 35 violations since 2021 across the water systems mapped to ZIP 74055 (primary system: Washington Company Rwd #3 (new,#1)), including 17 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 74055's water come from?
The recorded water source for Washington Company Rwd #3 (new,#1), a system mapped to ZIP code 74055, is Surface water. This system serves approximately 25,375 people.
How can I get my water tested in Owasso?
If Washington Company Rwd #3 (new,#1) supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 74055?
74055 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Tulsa County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 74055?
FEMA records contain 28 flood insurance claims filed in ZIP code 74055; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Owasso, OK (74055): 17 Health-Based Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/74055/
@misc{zipcheckup-report-74055,
author = {{ZipCheckup}},
title = {{Owasso, OK (74055): 17 Health-Based Violations Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/74055/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 74055
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 74117 | Tulsa, OK | 5.3 mi | A | 8 |
| 74021 | Collinsville, OK | 6.0 mi | B | 69 |
| 74156 | Tulsa, OK | 7.8 mi | N/A | 0 |
| 74116 | Tulsa, OK | 7.8 mi | B | 29 |
| 74130 | Tulsa, OK | 8.3 mi | A | 8 |
| 74073 | Sperry, OK | 8.8 mi | A | 15 |
| 74115 | Tulsa, OK | 9.1 mi | A | 0 |
| 74015 | Catoosa, OK | 9.5 mi | N/A | 70 |
| 74108 | Tulsa, OK | 9.6 mi | A | 36 |
| 74128 | Tulsa, OK | 9.8 mi | A | 0 |
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