What was found in Delmar's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 3600 µg/L 36% of the EPA limit 10000 µg/L Main supplier: TOWN OF DELMAR · 4,500 people · 2019
Highest in the city: 8267.5 µg/L — GATEWAY VILLAGE MOBILE HOME PARK · 60 people · 2019 | 3/4 | SYR4 |
| Nitrate-Nitrite | 7190 µg/L 72% of the EPA limit 10000 µg/L Highest in the city: GATEWAY VILLAGE MOBILE HOME PARK · 60 people · 2017 | 2/4 | SYR4 |
| Fluoride | 722.05 µg/L 18% of the EPA limit 4000 µg/L Main supplier: TOWN OF DELMAR · 4,500 people · 2017 | 1/4 | SYR4 |
| Barium | 197 µg/L 9.9% of the EPA limit 2000 µg/L Highest in the city: GATEWAY VILLAGE MOBILE HOME PARK · 60 people · 2017 | 1/4 | SYR4 |
| TTHM | 13.219 µg/L 17% of the EPA limit 80 µg/L Main supplier: TOWN OF DELMAR · 4,500 people · 2019 | 2/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 5.594 µg/L 9.3% of the EPA limit 60 µg/L Main supplier: TOWN OF DELMAR · 4,500 people · 2019 | 1/4 | SYR4 |
| Dibromochloromethane | 5.075 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2019 | 1/4 | SYR4 |
| Bromoform | 3.741 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2019 | 1/4 | SYR4 |
| Cadmium | 3.7 µg/L 74% of the EPA limit 5 µg/L Main supplier: TOWN OF DELMAR · 4,500 people · 2017 | 1/4 | SYR4 |
| Bromodichloromethane | 3.15 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2019 | 1/4 | SYR4 |
| Chromium | 2.9 µg/L 2.9% of the EPA limit 100 µg/L Highest in the city: GATEWAY VILLAGE MOBILE HOME PARK · 60 people · 2017 | 2/4 | SYR4 |
| Dibromoacetic Acid | 2.7 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2015 | 1/4 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.1 pCi/L 14% of the EPA limit 15 pCi/L Highest in the city: BENNETT MOBILE HOME PARK · 60 people · 2012 | 1/4 | SYR4 |
| Chloroform | 1.88 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2019 | 3/4 | SYR4 |
| Dichloroacetic Acid | 1.62 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2015 | 1/4 | SYR4 |
| Monochloroacetic Acid | 1.5 µg/L No EPA limit set Main supplier: TOWN OF DELMAR · 4,500 people · 2015 | 1/4 | SYR4 |
| Lead | 0.0018 mg/L 12% of the EPA limit 0.0150 mg/L Main supplier: TOWN OF DELMAR · 4,500 people · 2024
Highest in the city: 0.0041 mg/L — GATEWAY VILLAGE MOBILE HOME PARK · 60 people · 2024 | 4/4 | LCR |
Water suppliers serving Delmar
| Supplier | Population served |
|---|---|
| TOWN OF DELMAR | 4,500 |
| WESTSIDE MOBILE HOME PARK | 300 |
| GATEWAY VILLAGE MOBILE HOME PARK | 60 |
| BENNETT MOBILE HOME PARK | 60 |
Frequently asked questions about Delmar tap water
Is Delmar tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Delmar. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Delmar?
4 public water suppliers report drinking-water monitoring for Delmar, Maryland to the EPA. Each is listed above with its population served.
What contaminants are in Delmar's water?
The contaminants EPA monitoring detected in Delmar include Nitrate, Nitrate-Nitrite, Fluoride, Barium, TTHM. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.