Public water system · MD0010018
ActiveMidland-Lonaconing
At a glance
Midland-Lonaconing (PWSID MD0010018) is an active community water system in Allegany County, Maryland. It reports serving 5,000 people through 1,450 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,000
Service connections
1,450
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Midland-Lonaconing compare with other water systems in Allegany County?
By EPA's size categories, Midland-Lonaconing is a medium system (3,301 to 10,000 people). Allegany County has 53 active public water systems, and Midland-Lonaconing is the 5th-largest of them by population served. Its population served is about 3.9 times the county average of 1,293 people per system, and accounts for 7.3% of the 68,550 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active community water system reports serving 6,703 people, so Midland-Lonaconing is about 25% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maryland has 422 active community water systems, 14% of the state's 2,992 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 31 Maryland systems (1%) list surface water as their primary source.
Who owns and regulates Midland-Lonaconing?
EPA lists Midland-Lonaconing as owned by a local government. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 19 of the 53 active systems in Allegany County (36%) are also owned by a local government.
Does Midland-Lonaconing have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2025. The violations listed here began between July 2008 and April 2025. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Fluoride (3 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2023-01-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Midland-Lonaconing: frequently asked questions
Who runs Midland-Lonaconing?
Midland-Lonaconing (PWSID MD0010018) is a community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Midland-Lonaconing serve?
Midland-Lonaconing reports serving 5,000 people through 1,450 service connections in Allegany County, Maryland.
Where does Midland-Lonaconing get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Midland-Lonaconing have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Midland-Lonaconing's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.
Where can I find Midland-Lonaconing's water quality report?
As a community water system, Midland-Lonaconing must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Allegany County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Cumberland | Allegany | 27,039 | Community | Surface water |
| City of Frostburg | Allegany | 11,000 | Community | Surface water |
| Eastern Region Allegany Distrib. System | Allegany | 5,703 | Community | Purchased surface water |
| Lavale Sanitary Commission | Allegany | 5,500 | Community | Purchased surface water |
| Western Region Allegany Distrib. System | Allegany | 4,955 | Community | Purchased surface water |
| Bel Air - Pinto Distribution System | Allegany | 2,614 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Midland-Lonaconing, PWSID MD0010018, Maryland”, https://aquacensus.com/water-systems/maryland/midland-lonaconing-md0010018 (data as of October 1, 2026).