SOUTHWEST HARBOR WATER & SEWER DISTRICT
PWSID: ME0091490 · Southwest Harbor, ME · Serves 2,480 people
SOUTHWEST HARBOR WATER & SEWER DISTRICT has 7 health-based violations out of 7 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
SOUTHWEST HARBOR WATER & SEWER DISTRICT (PWSID ME0091490) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 2,480 people in Southwest Harbor, ME, and is subject to primacy enforcement by the Maine drinking-water program.
The system's federal compliance record contains 7 total violations, with 7 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Total Trihalomethanes (TTHM). Recorded violations span 2018–2020.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Maine state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- ME0091490
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Southwest Harbor, ME
- Population Served
- 2,480
- Health Violations
- Yes (7)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Trihalomethanes (TTHM) | 7 | 7 |
Violation History (7)
| Contaminant | Health | Date |
|---|---|---|
| Total Trihalomethanes (TTHM) | Yes | Apr 1, 2020 |
| Total Trihalomethanes (TTHM) | Yes | Jan 1, 2020 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Jan 1, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Apr 1, 2018 |
Frequently Asked Questions
Is SOUTHWEST HARBOR WATER & SEWER DISTRICT water safe to drink?
How many people does SOUTHWEST HARBOR WATER & SEWER DISTRICT serve?
What violations does SOUTHWEST HARBOR WATER & SEWER DISTRICT have?
What contaminants have been found in SOUTHWEST HARBOR WATER & SEWER DISTRICT water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.