Public water system record
Meriden Water Division
Serves Meriden, South Central Connecticut Planning Region, CT · 58,441 people served
Federal records show 1 health-based violation and 9 monitoring/reporting issues for Meriden Water Division in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 9
Key facts
- Meriden Water Division draws water from 6 wells, 4 surface water intakes and 6 reservoirs (2 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit), 2018.
- Record on file since 1991, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 417 unknown out of 21,217 service lines.
Check whether Meriden Water Division serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Jan 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Aug 10, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2015 | Resolved |
Full record since 1991
EPA's records for Meriden Water Division go back to 1991. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 0 |
| 2000s | 0 | 36 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 1 | 4 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began July 1993, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Jul 1, 1993 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1993 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1991 | Resolved |
What the violations mean
Haloacetic Acids (HAA5)
1 incidentHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Meriden Water Division draws water from 6 wells, 4 surface water intakes and 6 reservoirs (2 of them for emergency, seasonal or other part-time use). It also buys water from Regional Water Authority. 1 smaller public system such as schools, businesses or campgrounds buys water from Meriden Water Division.
Buys water from
- Regional Water Authority New Haven, CT
Annual water quality report
Meriden Water Division 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 Connecticut.
Certified drinking water labs by state EPA guidance for private wells