Public water system · TN0000007

Active

Alcoa Water System

At a glance

Alcoa Water System (PWSID TN0000007) is an active community water system in Blount County, Tennessee. It reports serving 35,238 people through 13,928 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in April 2017.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

35,238

Service connections

13,928

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDTN0000007

System typeCommunity water system

Activity statusActive

Population served35,238

Service connections13,928

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyTN state drinking water program

City servedAlcoa

StateTennessee

ZIP—

CountyBlount County

How does Alcoa Water System compare with other water systems in Blount County?

By EPA's size categories, Alcoa Water System is a large system (10,001 to 100,000 people). Blount County has 16 active public water systems, and Alcoa Water System is the 3rd-largest of them by population served. Its population served is about 3.4 times the county average of 10,237 people per system, and accounts for 22% of the 163,785 people reported by systems filed under the county. Across Tennessee, the 1,383 active systems average 5,780 people each. Nationally, the average active community water system reports serving 6,703 people, so Alcoa Water System is about 5.3 times 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. Tennessee has 450 active community water systems, 33% of the state's 1,383 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 151 Tennessee systems (11%) list surface water as their primary source.

Who owns and regulates Alcoa Water System?

EPA lists Alcoa Water System as owned by a local government. The TN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 16 active systems in Blount County (31%) are also owned by a local government.

Does Alcoa Water System have drinking water violations?

EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in April 2017. The violations listed here began between June 1989 and April 2017. By type: 6 monitoring and reporting, 3 required treatment not met, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (3 of them). EPA lists 9 as archived and 2 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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
2017-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2010-06-23	Public notice, recordkeeping or otherRecord Keeping · code 09	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
1994-01-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Archived
1993-12-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Archived
1993-11-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Archived
1989-06-25	Monitoring and reportingMonitoring, Regular · code 03	Endrincode 2005	No	Archived
1989-06-25	Monitoring and reportingMonitoring, Regular · code 03	Toxaphenecode 2020	No	Archived
1989-06-25	Monitoring and reportingMonitoring, Regular · code 03	2,4,5-TP (Silvex)code 2110	No	Archived
1989-06-25	Monitoring and reportingMonitoring, Regular · code 03	Methoxychlorcode 2015	No	Archived
1989-06-25	Monitoring and reportingMonitoring, Regular · code 03	2,4-Dcode 2105	No	Archived
1989-06-25	Monitoring and reportingMonitoring, Regular · code 03	Lindane (gamma-BHC)code 2010	No	Archived

All 11 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.

Alcoa Water System: frequently asked questions

Who runs Alcoa Water System?

Alcoa Water System (PWSID TN0000007) is a community water system owned by a local government. It is regulated by the TN state drinking water program.

How many people does Alcoa Water System serve?

Alcoa Water System reports serving 35,238 people through 13,928 service connections in Blount County, Tennessee.

Where does Alcoa Water System get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Alcoa Water System have any drinking water violations?

EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in April 2017. 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 Alcoa 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 11 violations for this system; 4 are health-based, and the most recent began in April 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.

Where can I find Alcoa Water System's water quality report?

As a community water system, Alcoa 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 Blount County

Water system	County	Population served	Type	Source
South Blount Utility District	Blount	53,864	Community	Surface water
City of Maryville W&S Dept	Blount	49,135	Community	Surface water
Tuckaleechee Utility District	Blount	14,522	Community	Purchased surface water
Friendsville Water Works	Blount	5,437	Community	Purchased surface water
Cable Mill Comfort Station	Blount	2,000	Transient non-community	Groundwater
Cades Cove Campground	Blount	2,000	Non-transient non-community	Groundwater

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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, “Alcoa Water System, PWSID TN0000007, Tennessee”, https://aquacensus.com/water-systems/tennessee/alcoa-water-system-tn0000007 (data as of October 1, 2026).