ZIP Code 99723 Water Quality Report
Barrow, AK · North Slope Borough County
Water Safety Grade
Excellent — Meets all EPA standards
Health Violations
1
Total Violations
10
Lead Risk
Moderate
Contaminants
1
About Tap Water in ZIP Code 99723
Tap water in ZIP code 99723 (Barrow, AK) is among the safest in the country. Served by Barrow Utilities & Elec. Coop., Inc. (bu, this area earned a water safety grade of A with a composite score of 87/100 — indicating full regulatory compliance and low contaminant risk across EPA monitoring periods.
Water System
Barrow Utilities & Elec. Coop., Inc. (bu
EPA ID: AK2320078
Water Source
Surface Water
Population Served
4,900 residents
County
North Slope Borough County, Alaska
Lead Levels in ZIP 99723
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Data Not Available
Lead exposure risk in 99723 is rated Moderate. EPA models estimate a 45% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
Barrow Utilities & Elec. Coop., Inc. (bu has recorded 1 health-based violation in the past 5 years. A single health violation means the water exceeded an EPA maximum contaminant level (MCL) at some point. Most water systems resolve these quickly, but residents should review the Consumer Confidence Report for details. 1 violation is currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility. Additionally, this area has had 1 boil water advisory — temporary orders issued when microbial contamination risk is elevated.
Regulatory compliance risk is rated High. Barrow Utilities & Elec. Coop., Inc. (bu has a pattern of compliance issues that goes beyond isolated incidents. Residents should stay informed via their utility's Consumer Confidence Report.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 1 contaminant associated with health-based violations in ZIP code 99723: E. coli. These contaminants exceeded the Maximum Contaminant Levels (MCLs) established by the EPA under the Safe Drinking Water Act at some point in the 5-year monitoring period. The presence of these violations does not necessarily mean water is currently unsafe — water systems are often required to increase monitoring and treatment when violations occur. Review the annual Consumer Confidence Report for the most current status.
⚖ Enforcement Actions
Water Source & Environmental Factors
Surface Water
This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.
Lower potential
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.
🛡 What Should You Do? — ZIP 99723 Recommendations
Your water quality is good
- ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
- ✓ Request your annual Consumer Confidence Report from Barrow Utilities & Elec. Coop., Inc. (bu
- ✓ If your home was built before 1986, consider testing your own tap for lead
- ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste
Frequently Asked Questions — ZIP 99723 Water Quality
Is tap water safe to drink in ZIP code 99723?+
What is the lead level in 99723 tap water?+
Who provides tap water to 99723?+
What is the water source for 99723?+
Does 99723 have any active water quality violations?+
How do I get a copy of my water quality report for 99723?+
What water filter should I use in 99723?+
Is 99723 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 99723 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Barrow Utilities & Elec. Coop., Inc. (bu. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →