Nondalton Water Quality

Alaska

Health Violations

According to EPA SDWIS, Nondalton, Alaska is served by 1 community water system covering about 205 people. The same extract lists 40 health-based violation records, most recently coded 0200 in 2025. Counts are historical EPA registry rows, not a current compliance or drinkability score.

1
Water Systems
205
Population Served
40
Health-Based Violation Records
2
Distinct Contaminant Codes

Drinking water in Nondalton, Alaska is delivered through 1 EPA-regulated community water system serving an estimated 205 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.

PlainEnviro's health-based SDWIS extract shows 40 violation records across the 1 active community system shown here. Monitoring and reporting records are not present in the extract. The records carry 2 distinct EPA contaminant codes: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule.

A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Alaska drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.

Community Water Systems

System Name Pop. Served Violations Status
NONDALTON 205 40 Health

Does this city have health-based water violations?

These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.

Water system Contaminant Begin Date
NONDALTON Surface Water Treatment Rule 2025-09-01
NONDALTON Surface Water Treatment Rule 2025-06-01
NONDALTON Surface Water Treatment Rule 2025-06-01
NONDALTON Surface Water Treatment Rule 2025-06-01
NONDALTON Surface Water Treatment Rule 2025-04-01
NONDALTON Surface Water Treatment Rule 2025-04-01
NONDALTON Surface Water Treatment Rule 2025-04-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-12-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-12-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-12-01
NONDALTON Surface Water Treatment Rule 2024-12-01
NONDALTON Surface Water Treatment Rule 2024-12-01
NONDALTON Surface Water Treatment Rule 2024-12-01
NONDALTON Surface Water Treatment Rule 2024-09-01
NONDALTON Surface Water Treatment Rule 2024-09-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-07-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-07-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-07-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-07-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-07-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2024-07-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2020-07-01
NONDALTON Surface Water Treatment Rule 2019-08-01
NONDALTON Surface Water Treatment Rule 2019-07-01
NONDALTON Surface Water Treatment Rule 2018-10-01
NONDALTON Surface Water Treatment Rule 2018-04-01
NONDALTON Surface Water Treatment Rule 2017-10-01
NONDALTON Surface Water Treatment Rule 2017-09-01
NONDALTON Surface Water Treatment Rule 2017-08-01
NONDALTON Surface Water Treatment Rule 2017-06-01
NONDALTON Surface Water Treatment Rule 2017-04-01
NONDALTON Surface Water Treatment Rule 2017-03-01
NONDALTON Surface Water Treatment Rule 2016-11-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2016-10-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2016-10-01
NONDALTON Surface Water Treatment Rule 2016-10-01
NONDALTON Surface Water Treatment Rule 2016-09-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2016-08-01
NONDALTON Interim Enhanced Surface Water Treatment Rule 2016-08-01
NONDALTON Surface Water Treatment Rule 2003-10-24

What are Nondalton's health-based records for?

Nondalton's health-based violation records carry 2 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.

Contaminant Records Systems
Surface Water Treatment Rule 26 1
Interim Enhanced Surface Water Treatment Rule 14 1

Frequently Asked Questions

What does EPA SDWIS list for drinking water in Nondalton, Alaska?
Nondalton is listed with 1 EPA-regulated water system covering approximately 205 people. 40 health-based violation records appear in the extract. A past registry row is not a current drinkability verdict; contact the local utility for current status.
How many water violations does Nondalton have in this EPA extract?
Nondalton water systems have 40 health-based violation records in PlainEnviro's EPA SDWIS extract. This extract is filtered to EPA health-based records and does not include monitoring or reporting violations.
What contaminants were found in Nondalton water?
Health-based records for Nondalton water systems carry the following EPA contaminant codes: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule. This source edition does not include authoritative contaminant names. Source: EPA SDWIS.
How many water systems serve Nondalton?
1 EPA-regulated community water system serves Nondalton, Alaska, collectively covering approximately 205 people. Data is from the EPA Safe Drinking Water Information System (SDWIS).
Where does Nondalton get its drinking water?
Nondalton's water supply comes from 1 EPA-regulated community water system. Source type data is not available for all systems. For detailed supply information, contact your local water utility. Source: EPA SDWIS.

How does Nondalton compare in Alaska?

Of the 188 Alaska places with at least one community water system on file, Nondalton ranks #125 by number of systems (1).

Either side of it: Nikolski (1), Noatak (1), Noorvik (1), Northway (1)

About This Data

Figures here are the current EPA SDWIS extract joined to the 1 community water system whose service area lists Nondalton, ranked against the 188 Alaska places with at least one system on file. Data current as of 2026-08-25.

Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.

A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.

TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.

Related

Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro