Chickasha, OK (73018): 24 Health-Based Violations Recorded for Mapped Water Systems
EPA data combined for 7 water systems mapped to this ZIP (largest mapped system: Chickasha Municipal Authority)
Health-based violation records by water system:
EPA records for the water systems mapped to 73018 in Chickasha, OK contain 191 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 24 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 24 health-based violations and 167 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.0037 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 175 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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The critical alert on record for 73018 in Chickasha stands alone - no high-priority findings appear in the same compiled data.
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 73018 in Chickasha, Oklahoma is mapped to the water system Chickasha Municipal Authority (EPA ID: OK1010821). This system provides water to approximately 16,036 people from surface water sources.
There are 7 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Chickasha Municipal Authority | OK1010821 | 16,036 | Surface water |
| Grady Company Rwd #7 (ninnekah) | OK2002633 | 2,425 | Groundwater |
| Grady Company Rwd #6 | OK3002603 | 3,930 | Groundwater |
| Norge Water and Sewer Company, Inc. | OK3002601 | 890 | Surface water |
| Verden | OK4002619 | 659 | Groundwater |
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
- 73019 (Norman) - 3 violations recorded for mapped water systems
- 73020 (Choctaw) - 290 violations recorded for mapped water systems
- 73021 (Colony) - 2 violations recorded for mapped water systems
Nearby Water Quality Reports
- 73023 (Chickasha) - 2 mi
- 73067 (Ninnekah) - 8 mi - 125 violations recorded for mapped water systems
- 73092 (Verden) - 8 mi - 97 violations recorded for mapped water systems
- 73079 (Pocasset) - 9 mi - 175 violations recorded for mapped water systems
- 73004 (Amber) - 10 mi - 166 violations recorded for mapped water systems
- 73002 (Alex) - 12 mi - 39 violations recorded for mapped water systems
- 73017 (Cement) - 13 mi - 109 violations recorded for mapped water systems
- 73005 (Anadarko) - 17 mi - 102 violations recorded for mapped water systems
- 73029 (Cyril) - 17 mi - 18 violations recorded for mapped water systems
- 73011 (Bradley) - 17 mi - 105 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 Chickasha Municipal Authority (OK1010821) on EPA.gov.
5 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 73018 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
Gross Alpha Particle Activity
High RiskEPA reference value: pCi/L · 14 violations on record
Increased cancer risk from radioactive particles
At-risk groups: long-term residents in areas with uranium or radium-rich geology, people on private wells in western US
Treatment options (verify a product is certified to reduce this contaminant): reverse osmosis, ion exchange, lime softening · Find a filter →
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE
Possible home maintenance concerns - talk to a local expert.
Call (855) 384-4856Paid Partner This is a free service. You will be connected with an independent service provider. We may receive compensation.
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 Chickasha
Based on local data for ZIP 73018, 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 Chickasha has 175 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)
Gutter Installation & Repair
The median home in 73018 was built around 1977. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Chickasha is 1977; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1977 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService 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 73018 safe to drink?
EPA SDWIS records 191 violations since 2021 across the water systems mapped to ZIP 73018 (primary system: Chickasha Municipal Authority), including 24 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 73018's water come from?
The recorded water source for Chickasha Municipal Authority, a system mapped to ZIP code 73018, is Surface water. This system serves approximately 16,036 people.
How can I get my water tested in Chickasha?
If Chickasha Municipal Authority 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 73018 tap water?
The Lead and Copper Rule record selected for 73018 reports a 90th-percentile lead result of 0.00375 mg/L for a water system mapped to this ZIP (record date 2024-12-31). 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 73018?
73018 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Grady 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 73018?
FEMA records contain 175 flood insurance claims filed in ZIP code 73018; the recorded rated-zone value (the most frequent one if there are several claims) is AO, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Chickasha, OK (73018): 24 Health-Based Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/73018/
@misc{zipcheckup-report-73018,
author = {{ZipCheckup}},
title = {{Chickasha, OK (73018): 24 Health-Based Violations Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/73018/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 73018
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 73023 | Chickasha, OK | 2.0 mi | N/A | 0 |
| 73067 | Ninnekah, OK | 7.8 mi | N/A | 125 |
| 73092 | Verden, OK | 8.2 mi | N/A | 97 |
| 73079 | Pocasset, OK | 8.9 mi | B | 175 |
| 73004 | Amber, OK | 10.3 mi | N/A | 166 |
| 73002 | Alex, OK | 11.9 mi | N/A | 39 |
| 73017 | Cement, OK | 12.8 mi | N/A | 109 |
| 73005 | Anadarko, OK | 16.8 mi | N/A | 102 |
| 73029 | Cyril, OK | 17.1 mi | N/A | 18 |
| 73011 | Bradley, OK | 17.2 mi | N/A | 105 |
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