Water Quality in 99501 — Anchorage, AK
EPA data for MOA MUNICIPALITY OF ANCHORAGE
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 99501 in Anchorage, Alaska is served by MOA MUNICIPALITY OF ANCHORAGE (EPA ID: AK2210906). This system provides water to approximately 221,351 people from surface water sources.
There are 90 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 |
|---|---|---|---|
| June 1, 2025 | Fecal Coliform | Monitoring | Unresolved |
| June 1, 2025 | Fecal Coliform | Monitoring | Resolved |
| May 1, 2025 | E. coli | Monitoring | Resolved |
| April 1, 2025 | E. coli | Monitoring | Resolved |
| April 1, 2025 | Revised Total Coliform Rule | Monitoring | Resolved |
| January 31, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 1, 2025 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| November 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| November 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| September 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| September 1, 2024 | Revised Total Coliform Rule | Monitoring | Unresolved |
| September 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| September 1, 2024 | E. coli | Monitoring | Resolved |
| September 1, 2024 | E. coli | Monitoring | Resolved |
| August 1, 2024 | Fecal Coliform | Monitoring | Resolved |
| August 1, 2024 | Fecal Coliform | Monitoring | Resolved |
| July 1, 2024 | E. coli | Monitoring | Resolved |
| July 1, 2024 | E. coli | Monitoring | Unresolved |
| July 1, 2024 | E. coli | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 60 | No |
| Revised Total Coliform Rule | Microbiological | 31 | No |
| Fecal Coliform | Microbiological | 23 | No |
| Consumer Confidence Report Rule | Reporting | 16 | No |
| Stage 1 DBP Rule | Treatment Technique | 9 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 7 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 7 | No |
| Surface Water Treatment Rule | Treatment Technique | 5 | No |
| PFOA | PFAS | 5 | No |
| PFNA | PFAS | 5 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 5 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 5 | No |
| Bromodichloromethane | Disinfection Byproducts | 5 | No |
| Dibromochloromethane | Disinfection Byproducts | 5 | No |
| Bromoform | Disinfection Byproducts | 5 | 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 |
|---|---|---|---|
| MOA MUNICIPALITY OF ANCHORAGE | AK2210906 | 221,351 | Surface water |
| GIRDWOOD WATER SYSTEM | AK2212021 | 2,942 | Groundwater |
| UNIFIED ALASKAN UTILITIES SETTLERS BAY | AK2221834 | 2,733 | Groundwater |
| OW DIMOND ESTATES TRAILER COURT | AK2211075 | 1,395 | Groundwater |
| SOUTHWOOD MANOR TC | AK2211677 | 1,005 | Groundwater |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
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 Alaska
- 99505 (Jber)
- 99545 (Kongiganak) — 353 violations
- 99546 (Adak) — 94 violations
- 99547 (Atka) — 133 violations
- 99548 (Chignik Lake) — 97 violations
- 99550 (Port Lions) — 81 violations
- 99551 (Akiachak) — 78 violations
- 99552 (Akiak) — 15 violations
- 99553 (Akutan)
- 99554 (Alakanuk) — 423 violations
- 99556 (Anchor Point) — 9 violations
- 99558 (Anvik) — 167 violations
- 99559 (Bethel) — 125 violations
- 99561 (Chefornak) — 203 violations
- 99563 (Chevak) — 35 violations
- 99565 (Chignik Lagoon)
- 99567 (Chugiak) — 187 violations
- 99569 (Clarks Point) — 30 violations
- 99571 (Cold Bay) — 4 violations
- 99573 (Copper Center) — 19 violations
Nearby Water Quality Reports
- 99577 (Eagle River) — 14 mi — 16 violations
- 99567 (Chugiak) — 20 mi — 187 violations
- 99623 (Wasilla) — 25 mi — 4 violations
- 99587 (Girdwood) — 30 mi — 3 violations
- 99556 (Anchor Point) — 114 mi — 9 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for MOA MUNICIPALITY OF ANCHORAGE (AK2210906) on EPA.gov.
Frequently Asked Questions
Is the tap water in 99501 safe to drink?
Based on EPA records, the water system serving ZIP code 99501 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 99501’s water come from?
The primary water source for this area is surface water. MOA MUNICIPALITY OF ANCHORAGE serves approximately 221,351 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 99501 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 99501. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 99501?
Radon zone data is not available for ZIP code 99501. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.