ZipCheckup grade for 74041: A.
The model grade is high, but the records on this page include findings worth reviewing.
Your top priority: match a filter's certification to the violations (13 health-based violations). Check your ZIP → NSF certified filters
Kiefer, OK (74041): 13 Health-Based Violations Recorded for Mapped Water Systems - 90/100
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Creek Company Rwd # 2)
Health-based violation records by water system:
EPA records for the water systems mapped to 74041 in Kiefer, OK contain 30 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 13 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 13 health-based violations and 17 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.0014 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 9 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Score Breakdown
Overall Home Safety Score: 90/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) CRITICAL
Your Water System
ZIP code 74041 in Kiefer, Oklahoma is mapped to the water system Creek Company Rwd # 2 (EPA ID: OK3001902). This system provides water to approximately 12,788 people from surface water sources.
There are 2 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Creek Company Rwd # 2 | OK3001902 | 12,788 | Surface water |
| Creek Company Rwd # 7 | OK1020405 | 2,100 | 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
- 74033 (Glenpool) - 3 mi - 16 violations recorded for mapped water systems
- 74066 (Sapulpa) - 4 mi - 86 violations recorded for mapped water systems
- 74047 (Mounds) - 5 mi - 204 violations recorded for mapped water systems
- 74067 (Sapulpa) - 5 mi
- 74037 (Jenks) - 6 mi - 16 violations recorded for mapped water systems
- 74131 (Tulsa) - 7 mi - 11 violations recorded for mapped water systems
- 74132 (Tulsa) - 8 mi - 10 violations recorded for mapped water systems
- 74050 (Oakhurst) - 8 mi - 3 violations recorded for mapped water systems
- 74159 (Tulsa) - 9 mi
- 74137 (Tulsa) - 9 mi - 4 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Creek Company Rwd # 2 (OK3001902) on EPA.gov.
3 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 74041 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
Total Trihalomethanes (TTHM)
High RiskEPA reference value: 0.08 mg/L · 6 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 →
Haloacetic Acids (HAA5)
High RiskEPA reference value: 0.06 mg/L · 5 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 →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Kiefer
Based on local data for ZIP 74041, 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 Kiefer has 9 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 74041 safe to drink?
EPA SDWIS records 30 violations since 2021 across the water systems mapped to ZIP 74041 (primary system: Creek Company Rwd # 2), including 13 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 74041's water come from?
The recorded water source for Creek Company Rwd # 2, a system mapped to ZIP code 74041, is Surface water. This system serves approximately 12,788 people.
How does Kiefer water compare to the national average?
Kiefer's Home Safety Score ranks better than 81% of U.S. ZIP codes, and at or above 57% within Oklahoma.
How can I get my water tested in Kiefer?
If Creek Company Rwd # 2 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.
Is lead a concern in 74041 tap water?
The Lead and Copper Rule record selected for 74041 reports a 90th-percentile lead result of 0.0014 mg/L for a water system mapped to this ZIP (record date 2023-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 74041?
74041 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Creek 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 74041?
FEMA records contain 9 flood insurance claims filed in ZIP code 74041; the recorded rated-zone value (the most frequent one if there are several claims) is A03, 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). Kiefer, OK (74041): 13 Health-Based Violations Recorded for Mapped Water Systems - 90/100. https://zipcheckup.com/report/74041/
@misc{zipcheckup-report-74041,
author = {{ZipCheckup}},
title = {{Kiefer, OK (74041): 13 Health-Based Violations Recorded for Mapped Water Systems - 90/100}},
year = {2026},
url = {https://zipcheckup.com/report/74041/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 74041
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 74033 | Glenpool, OK | 3.5 mi | A | 16 |
| 74066 | Sapulpa, OK | 4.4 mi | B | 86 |
| 74047 | Mounds, OK | 4.6 mi | N/A | 204 |
| 74067 | Sapulpa, OK | 5.0 mi | N/A | 0 |
| 74037 | Jenks, OK | 6.2 mi | A | 16 |
| 74131 | Tulsa, OK | 7.1 mi | A | 11 |
| 74132 | Tulsa, OK | 7.9 mi | A | 10 |
| 74050 | Oakhurst, OK | 8.3 mi | A | 3 |
| 74159 | Tulsa, OK | 8.7 mi | N/A | 0 |
| 74137 | Tulsa, OK | 9.0 mi | A | 4 |
Nearby ZIP Code Reports
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Overall safety breakdown
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ZIP 74041 scores in the top tier nationally.