Public water system · AL0001202
ActiveNorthwest St Clair Water System
At a glance
Northwest St Clair Water System (PWSID AL0001202) is an active community water system in St. Clair County, Alabama. It reports serving 3,039 people through 1,013 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,039
Service connections
1,013
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Northwest St Clair Water System compare with other water systems in St. Clair County?
By EPA's size categories, Northwest St Clair Water System is a small system (501 to 3,300 people). St. Clair County has 17 active public water systems. Its population served is about 44% below the county average of 5,416 people per system, and accounts for 3.3% of the 92,065 people reported by systems filed under the county. Across Alabama, the 576 active systems average 11,028 people each. Nationally, the average active community water system reports serving 6,703 people, so Northwest St Clair Water System is about half of that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Alabama has 505 active community water systems, 88% of the state's 576 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 37 Alabama systems (6.4%) list purchased groundwater as their primary source.
Who owns and regulates Northwest St Clair Water System?
EPA lists Northwest St Clair Water System as owned by a local government. The AL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 16 of the 17 active systems in St. Clair County (94%) are also owned by a local government.
Does Northwest St Clair Water System have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2016. The violations listed here began between January 2006 and September 2016. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 4 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2016-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2016-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
All 4 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Northwest St Clair Water System: frequently asked questions
Who runs Northwest St Clair Water System?
Northwest St Clair Water System (PWSID AL0001202) is a community water system owned by a local government. It is regulated by the AL state drinking water program.
How many people does Northwest St Clair Water System serve?
Northwest St Clair Water System reports serving 3,039 people through 1,013 service connections in St. Clair County, Alabama.
Where does Northwest St Clair Water System get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Northwest St Clair Water System have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2016. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Northwest St Clair Water System's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the AL state drinking water program.
Where can I find Northwest St Clair Water System's water quality report?
As a community water system, Northwest St Clair Water System must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in St. Clair County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Odenville Utilities Board | St. Clair | 26,022 | Community | Purchased surface water |
| Pell City, City of | St. Clair | 17,586 | Community | Purchased surface water |
| New London Water & Fp Authority | St. Clair | 6,843 | Community | Groundwater |
| Springville Water Works | St. Clair | 6,468 | Community | Purchased surface water |
| Margaret Water Works | St. Clair | 6,336 | Community | Purchased surface water |
| Wattsville Water Authority | St. Clair | 5,097 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Northwest St Clair Water System, PWSID AL0001202, Alabama”, https://aquacensus.com/water-systems/alabama/northwest-st-clair-water-system-al0001202 (data as of October 1, 2026).