Public water system record

City of Havre De Grace

Serves Havre de Grace, Harford County, MD · 14,000 people served

Federal records show 2 health-based violations and 17 monitoring/reporting issues for City of Havre De Grace in the last ten years. The most serious issue in this window was a resolved CARBON, TOTAL violation.

  • MD0120012
  • HAVRE DE GRACE
  • MD
  • 14,000 served

System profile

Source water Surface water
ZIP 21078
EPA system ID MD0120012

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
17

Key facts

  • City of Havre De Grace draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 90 µg/L, federal limit 80 µg/L (1.1 times the limit), 2016.
  • Record on file since 1993, with 8 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2,603 unknown out of 2,603 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
CARBON, TOTAL
Treatment technique failure
210 Oct 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Oct 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Chlordane
Monitoring and reporting
Jul 1, 2024 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jul 1, 2024 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jul 1, 2024 Resolved
Heptachlor epoxide
Monitoring and reporting
Jul 1, 2024 Resolved
Heptachlor
Monitoring and reporting
Jul 1, 2024 Resolved
LASSO
Monitoring and reporting
Jul 1, 2024 Resolved
Atrazine
Monitoring and reporting
Jul 1, 2024 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jul 1, 2024 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jul 1, 2024 Resolved
Simazine
Monitoring and reporting
Jul 1, 2024 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jul 1, 2024 Resolved
Toxaphene
Monitoring and reporting
Jul 1, 2024 Resolved
Methoxychlor
Monitoring and reporting
Jul 1, 2024 Resolved
BHC-GAMMA
Monitoring and reporting
Jul 1, 2024 Resolved
Endrin
Monitoring and reporting
Jul 1, 2024 Resolved
Public Notice
OTHER
Feb 8, 2024 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved

Full record since 1993

EPA's records for City of Havre De Grace go back to 1993. Before October 19, 2016 they list 8 health-based violations (7 resolved, 1 archived by EPA without a recorded fix) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 0
2000s 0 2
2010 to October 18, 2016 6 4
October 19, 2016 to 2019 0 1
2020s 1 16

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.

Show all 8 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 90 µg/L, federal limit 80 µg/L (1.1 times the limit)
Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 116 µg/L, federal limit 80 µg/L (1.5 times the limit)
Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 119 µg/L, federal limit 80 µg/L (1.5 times the limit)
Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 117 µg/L, federal limit 80 µg/L (1.5 times the limit)
Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 104 µg/L, federal limit 80 µg/L (1.3 times the limit)
Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 92.21 µg/L, federal limit 80 µg/L (1.2 times the limit)
Jul 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1995 Archived
Total Coliform
Contaminant limit exceeded
Apr 1, 1993 Resolved

What the violations mean

CARBON, TOTAL

1 incident

The system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).

The utility had to notify customers about this violation.

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

City of Havre De Grace draws water from 1 surface water intake. It also buys water from Harford County D.P.W. 2 other community water systems buy water from City of Havre De Grace.

Buys water from

Community systems that buy water from it

Annual water quality report

City of Havre De Grace must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Maryland.