PlainWater

Non-Transient Non-Community Water System · PWS MD1030030

Seventh District Elementary

Baltimore, Maryland 21220 - drinking water served from groundwater sources to 437 people, tracked in EPA SDWIS and UCMR5.

437
People served
17
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 17 drinking-water violations at Seventh District Elementary, 29% of them health-based - below the Maryland per-system average.

17
Total EPA violations on record
29%
Health-based (MCL / treatment failure)
437
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Seventh District Elementary

Seventh District Elementary is a local-owned non-transient non-community water system that delivers drinking water to 437 residents in Baltimore, Maryland (Baltimore County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 17 total violations for this system , of which 5 (29%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2009.

The most frequently cited contaminant at this system is Asbestos, recorded in 5 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Maryland, EPA tracks 3,215 public water systems serving 6,070,211 people, with 60,496 cumulative violations and 18,132 health-based violations on record. About 80% of systems in the state carry at least one violation, and state-wide the average per system is 18.8 violations. Statewide, 50 of 83 UCMR5-tested systems have reported PFAS detections (60.2%).

Seventh District Elementary's 17 violations sit below the Maryland average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
437
Total Violations
17
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
2
County
Baltimore
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
11
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Asbestos MR 5 1993
Lead and Copper Rule MR 4 1999
Nitrate MCL 4 2009
Coliform (TCR) MR 2 1993
Lead and Copper Rule TT 1 1998

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Seventh District Elementary.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MD1030030 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maryland Drinking Water Authority

Maryland's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MD regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2009 Nitrate MCL 4 SDWIS / MD1030030 / 1040
1999 Lead and Copper Rule MR 4 SDWIS / MD1030030 / 5000
1998 Lead and Copper Rule TT 1 SDWIS / MD1030030 / 5000
1993 Asbestos MR 5 SDWIS / MD1030030 / 1094
1993 Coliform (TCR) MR 2 SDWIS / MD1030030 / 3100

How Seventh District Elementary Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Seventh District Elementary Maryland avg Federal benchmark
Total violations 17 18.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 5.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 437 1,888 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,215 regulated public water systems in Maryland.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Seventh District Elementary water safe to drink?
Seventh District Elementary (PWS ID: MD1030030) has 17 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 437 people using Groundwater sources.
How many people does Seventh District Elementary serve?
Seventh District Elementary serves 437 people in Baltimore, Maryland. It is a Local-owned system using Groundwater water sources with 2 service connections.
What type of violations does Seventh District Elementary have?
Seventh District Elementary has 17 total violations: 5 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Seventh District Elementary water?
No PFAS testing data is available for Seventh District Elementary under the EPA's UCMR5 monitoring program.
What water source does Seventh District Elementary use?
Seventh District Elementary uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.