Water Quality in 03301 — Concord, NH
EPA data for CONCORD WATER DEPT
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 03301 in Concord, New Hampshire is served by CONCORD WATER DEPT (EPA ID: NH0501010). This system provides water to approximately 44,215 people from surface water sources.
There are 14 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| April 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| April 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| January 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| October 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| July 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| July 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| May 1, 2024 | E. coli | Health-based | Resolved |
| May 1, 2024 | E. coli | Health-based | Resolved |
| May 1, 2024 | E. coli | Health-based | Resolved |
| April 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| April 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| April 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| January 1, 2024 | Contaminant 0800 | Monitoring | Unresolved |
| January 1, 2024 | Contaminant 0800 | Monitoring | Unresolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 14 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 5 | Yes |
| E. coli | Microbiological | 3 | Yes |
| Consumer Confidence Report Rule | Reporting | 3 | Yes |
| Contaminant 0800 | Other | 2 | No |
| Total Coliform | Microbiological | 1 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| CONCORD WATER DEPT | NH0501010 | 44,215 | Surface water |
| CONTOOCOOK VILLAGE PCT | NH1191010 | 1,600 | Surface water |
| CATAMOUNT HILL | NH0043040 | 383 | Groundwater |
| TRANQUILITY ESTATES | NH1973060 | 315 | Groundwater |
| HOLLIS PINES COOP MHP WEST | NH1173020 | 220 | Groundwater |
What You Can Do
- Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
- Consider a home water test — Independent testing can reveal issues in your specific plumbing
- Install a certified water filter — NSF-certified filters can address specific contaminants
- Contact your water provider — Ask about current treatment and any ongoing remediation
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in New Hampshire
- 03031 (Amherst) — 1 violation
- 03032 (Auburn)
- 03034 (Candia) — 5 violations
- 03036 (Chester) — 1 violation
- 03060 (Nashua)
- 03101 (Manchester) — 1 violation
- 03215 (Waterville Valley)
- 03216 (Andover) — 37 violations
- 03217 (Ashland)
- 03218 (Barnstead)
- 03220 (Belmont)
- 03221 (Bradford)
- 03222 (Bristol)
- 03223 (Campton) — 2 violations
- 03224 (Canterbury)
- 03226 (Center Harbor)
- 03246 (Laconia) — 9 violations
- 03276 (Tilton) — 2 violations
- 03285 (Thornton)
- 03431 (Keene) — 1 violation
Nearby Water Quality Reports
- 03224 (Canterbury) — 10 mi
- 03218 (Barnstead) — 14 mi
- 03034 (Candia) — 16 mi — 5 violations
- 03101 (Manchester) — 16 mi — 1 violation
- 03220 (Belmont) — 16 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for CONCORD WATER DEPT (NH0501010) on EPA.gov.
Frequently Asked Questions
Is the tap water in 03301 safe to drink?
Concord’s water system has recorded 25 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
Where does 03301’s water come from?
The primary water source for this area is surface water. CONCORD WATER DEPT serves approximately 44,215 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 03301 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 03301. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 03301?
Radon zone data is not available for ZIP code 03301. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.