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Tap water quality report

Grasonville

EPA monitoring tested this supplier for 71 contaminants and detected 10. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

71
contaminants tested
10
detected
600
people served
0
health-based violations
Maryland rankingsLead in MarylandPFAS in Maryland
Water source
Ground water
Ownership
Local government
Counties served
Queen Anne's

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

0
health-based violations
13
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Resolved 2022-01-01
MR Monitoring Resolved 2022-01-01
MR Monitoring Resolved 2021-10-01
MR Monitoring Resolved 2014-09-01 → 2015-08-31
MR Monitoring Resolved 2014-09-01 → 2015-08-31
MR Monitoring Resolved 2008-11-01 → 2008-11-30
MR Monitoring Resolved 2008-11-01 → 2008-11-30
MR Monitoring Resolved 2008-11-01 → 2008-11-30
MR Monitoring Resolved 1998-05-01 → 1998-05-31
MR Monitoring Resolved 1998-05-01 → 1998-05-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 12/12 LCR 2024
TTHM
9.3525 µg/L 12%
of the EPA limit 80 µg/L
worst single sample: 12.35 µg/L
12/12 SYR4 2013–2019
Bromodichloromethane
2.352 µg/L
No EPA limit set
worst single sample: 2.76 µg/L
7/7 SYR4 2013–2019
Chloroform
8.057 µg/L
No EPA limit set
worst single sample: 9.59 µg/L
7/7 SYR4 2013–2019
Total Haloacetic Acids (HAA5)
4.275 µg/L 7.1%
of the EPA limit 60 µg/L
worst single sample: 4.63 µg/L
6/12 SYR4 2013–2019
Dichloroacetic Acid
2.834 µg/L
No EPA limit set
worst single sample: 2.99 µg/L
4/4 SYR4 2013–2014
Trichloroacetic Acid
1.602 µg/L
No EPA limit set
worst single sample: 1.64 µg/L
3/4 SYR4 2013–2014
Combined Radium (-226 And -228)
1.5 pCi/L 30%
of the EPA limit 5 pCi/L
 1/1 SYR4 2017
Dibromochloromethane
0.1000 µg/L
No EPA limit set
 1/6 SYR4 2013–2016
Gross Alpha, Excl. Radon And U
3.1 pCi/L 21%
of the EPA limit 15 pCi/L
 1/1 SYR4 2017
61 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalArsenicAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromoacetic AcidDinosebEthylene DibromideEndrinEthylbenzeneFluorideGross Beta Particle ActivityHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitrateOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
BOWEN, BILL
Phone
410-643-3535
Email
[email protected]

Frequently asked questions about Grasonville

Is Grasonville tap water safe to drink?

EPA monitoring detected 10 contaminants in Grasonville's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Grasonville's water?

EPA monitoring detected Lead, TTHM, Bromodichloromethane, Chloroform, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.

How many people does Grasonville serve?

Grasonville reports serving 600 people in Maryland, per its EPA record.

Has Grasonville had any water quality violations?

The EPA has 13 violations on file for Grasonville, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

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.