C
61

Fair Water Quality

Boise City, OK 73933

Cimarron County · Population served: 1,483 · Data updated March 2026

Water Systems Serving This Area

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BOISE CITY PWA
Groundwater · Pop. 1,483
PWSID: OK2001303

Violation History (Last 5 Years)

170Total (5yr)
1Health-Based
168Major

Water Quality Summary

Understanding Your Water in Boise City

Tap water quality in Boise City, Oklahoma (73933) receives an overall grade of C (Fair) with a score of 61 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Oklahoma state average of 59. Compared to the national average (75), this area scores significantly lower. The area is served by Boise City Pwa, a groundwater system providing water to approximately 1,483 people. Over the past 5 years, water systems here have accumulated 170 violations, including 1 health-based violations.

Your Score 61/100 C
vs State 2 pts above Oklahoma avg (59)
vs National 14 pts below national avg (75)

What a Grade C Means

A score of 61/100 indicates fair water quality in Boise City, OK. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Tap water in Boise City, Oklahoma receives a grade of C (Fair) with a score of 61/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 73933 is served by 1 water system using groundwater sources, providing water to approximately 1,483 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

No lead data is currently available for ZIP code 73933. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

No PFAS ("forever chemicals") were detected in water systems serving Boise City, Oklahoma during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Boise City, Oklahoma have received 170 violations in the last 5 years, including 1 health-based violation. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Water in Boise City, Oklahoma shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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