185 people served · 1 water system
EL SEGUNDO, Maine is a rural community with 185 residents served by a single public water system. Water service covers ZIP code 90245.
EL SEGUNDO has accumulated a significant number of EPA health-based violations. Reviewing the contaminants involved, requesting your utility's Consumer Confidence Report, and using certified point-of-use filtration is strongly advisable.
EPA reporting identifies 1 regulated contaminants among the regulated contaminants associated with EL SEGUNDO's recent health-based violations. Each contaminant has different sources, health implications, and recommended mitigation steps — links to the full EPA reference for each are listed alongside the violation history below.
Last updated: 2026-05-18 · Source: EPA SDWIS
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Approximate location based on state.
EPA Maximum Contaminant Level exceedances reported by water systems serving EL SEGUNDO. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.
EPA Code 2964 · Maximum Contaminant Level Exceedance
violations
EPA Limit
—
Last Reading
.007 MG/L
First Reported
Oct 2023
Most Recent
Apr 2024
EPA contaminant code 2964. The full EPA reference for this code is available through the SDWIS portal.
Source: EPA Safe Drinking Water Information System (SDWIS). Health-based violations only. Older violations may have been resolved; check your utility's most recent Consumer Confidence Report for current status.
This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that exceeded federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.
This city's water had numerous EPA violations in the last 5 years. Consider filtered water.
EL SEGUNDO has 12 EPA health-based water violations in the last 5 years across 1 water system serving 185 people.
The following EPA-regulated contaminants have been detected: 2964. View details about each contaminant, health effects, and recommended precautions above in the violations table.
Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.
Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.
Apr 15, 2026 · 7 min read
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
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