10 community water systems serve or are based in ZIP 21108. Showing Glen Burnie-Broadneck, the largest by reported population served. The other systems are summarized below.
- System name
- Glen Burnie-Broadneck
- EPA PWS ID
- MD0020017
- Location
- Millersville, MD
- Population served
- 290,606
- Water source
- Ground water
- Primary EPA source
- EPA ECHO record for MD0020017
Make sure this is the system tied to your address before using these results to make a decision about your own water. A ZIP code is not a street address.
EPA lab monitoring (UCMR 5)
EPA UCMR 5 monitoring (Nov. 2024–May 2025) detected 1 of the 30 monitored chemicals in this system's samples. Highest reported lithium result: 13.1 ppb.
| Chemical | Highest result | EPA legal limit (MCL) | EPA health goal (MCLG) |
|---|---|---|---|
| lithium a metal | 13.1 ppb | No federal MCL | — |
UCMR 5 results are monitoring data, not a compliance determination. PFAS compliance is governed by separate EPA drinking-water rules. Some PFAS rule changes are proposed for 2026 — see what's proposed.
Lead at customer taps
Lead at sampled customer taps, 90th percentile (Jan. 2016–Dec. 2018): 0 ppb. EPA's current action level is 15 ppb; its health goal (MCLG) is 0.
Lead is regulated with an action level rather than a standard MCL. EPA's lead action level is 15 ppb today; the Lead and Copper Rule Improvements lower it to 10 ppb starting Nov. 1, 2027.
Violations on the federal record
The EPA record shows 13 violations, 0 health-based.
| Type | Rule / contaminant | Since |
|---|---|---|
| Record · other violation | Surface Water Treatment | 2008 |
| Record · missed required testing or reporting | Lead & Copper Rule | 2021 |
| Record · missed required testing or reporting | — | 2020 |
| Record · missed required testing or reporting | — | 2020 |
| Record · missed required testing or reporting | — | 2020 |
| Record · missed required testing or reporting | Lead | 2020 |
| Record · missed required testing or reporting | — | 2020 |
| Record · missed required testing or reporting | Antimony | 2020 |
| Record · missed required testing or reporting | Barium | 2020 |
| Record · missed required testing or reporting | Chromium | 2020 |
| Record · missed required testing or reporting | — | 2020 |
| Record · missed required testing or reporting | Nitrate | 2022 |
Other systems serving or based in ZIP 21108
| System | EPA PWS ID | People served | Violations |
|---|---|---|---|
| Crofton-Odenton | MD0020008 | 62,986 | 3 |
| Broad Creek | MD0020004 | 26,033 | 4 |
| Eastern Correctional Institute | MD0190013 | 3,500 | 3 |
| Herald Harbor | MD0020044 | 2,241 | 3 |
| Saint Marys College | MD0180013 | 2,200 | 2 |
| Crownsville Hospital Center | MD0020009 | 1,348 | 1 |
| Cheltenham Boys Village | MD0160003 | 330 | 4 |
| Gibson Island | MD0020013 | 275 | 12 |
| Charlotte Hall Va Home | MD0180217 | 270 | 3 |
On a private well? EPA public-system data does not describe your individual well. Test your water directly.
What the numbers mean
EPA uses two different benchmarks: the legal limit (MCL) and the health goal (MCLG). They are not always the same number. Read EPA's explanation →
Open the interactive report →What the government says
Sources: U.S. EPA SDWIS (system record and violations, queried live) · EPA UCMR 5 final dataset · EPA SDWIS lead & copper 90th-percentile results. EPA data can lag the latest tests.