MIDLAND-LONACONING
PWSID: MD0010018 · Lonaconing, MD · Serves 5,000 people
According to EPA Safe Drinking Water Information System (SDWIS), MIDLAND-LONACONING (PWSID MD0010018) in Lonaconing, MD is listed as a CWS water system covering about 5,000 people. The same extract lists 5 health-based violation records spanning 2023-2025. Those 5 health-based rows for MIDLAND-LONACONING cover contaminants such as Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
MIDLAND-LONACONING has 5 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5). Recorded violations span 2023–2025. Day-to-day primacy enforcement for this system runs through the Maryland drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Maryland state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MD0010018
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Lonaconing, MD
- Population Served
- 5,000
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 3 | 3 |
| Total Haloacetic Acids (HAA5) | 2 | 2 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jan 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jan 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jan 1, 2023 |
Frequently Asked Questions
What does EPA SDWIS list for MIDLAND-LONACONING?
How many people does MIDLAND-LONACONING serve?
What violations does MIDLAND-LONACONING have?
What contaminants have been found in MIDLAND-LONACONING water?
Compare beyond Maryland
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MIDLAND-LONACONING on cumulative violation count (5) and EPA-reported population served (5,000). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include WOOSTER WATERWORKS, KERN VALLEY STATE PRISON, PLEASANT VALLEY MUTUAL WATER CO.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
MIDLAND-LONACONING (MD0010018) is drawn from EPA SDWIS. Nearby county systems in this extract include TOWN OF MOUNTAIN LAKE PARK; TOWN OF WESTERNPORT; TOWN OF OAKLAND; TOWN OF GRANTSVILLE. Health-based rows (5 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.