Water System Report DC

Washington Aqueduct Division.

EPA ID: DC0000001 · 0 people served · 274 ZIP codes

Five years of EPA monitoring have produced no violations for Washington Aqueduct Division. — the supplier serving 0 residents has kept every contaminant level within federal limits, a result that places it among the top-performing utilities for systems with a service population of comparable size.

Data: EPA SDWIS Last verified: 2026-04-02

People Served

274

ZIP Codes Served

Violations (5yr)

Surface Water

Water Source

Contaminants Flagged

Compliance Trajectory

Worsening · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 274 (2022) to 822 (2025). The pattern suggests growing compliance challenges.

Service Area Demographics

$111,110

Median Household Income

671,768

Service Area Population

35%

Disadvantaged Population

40th

Poverty Percentile

20th

Energy Burden Percentile

73%

Pre-1986 Housing

The Washington Aqueduct Division. serves a community with a median household income of $111,110 and an estimated 671,768 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 35% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

🌊 Where Does Your Water Come From?

Surface Water

Washington Aqueduct Division.'s water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Moderate Risk

Source Contamination Risk

40th

Wastewater Discharge Proximity

80th

Superfund Site Proximity

About 1% of homes in District of Columbia, District of Columbia rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites.

Infrastructure Risk

48 yr

Avg Pipe Age

Unknown

Pipe Material

18 yr

Est. Remaining Life

Accelerating Decay

Decay Status

Installed 73% of expected lifespan used End of life

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 530 detections recorded.

Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.

Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration PFAS Treatment Flood Insurance

Water Filtration $600

PFAS Treatment $482

Flood Insurance $154

Total Estimated Cost $1,235

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years

$165

10 years

$330

20 years

$660

Compare: Estimated remediation cost is $1,235 (one-time) vs. $330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Washington Aqueduct Division. (EPA ID: DC0000001) is a community water system in District of Columbia that serves approximately 0 people from surface water sources.

This system provides water to 274 ZIP codes across 1 community.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

No Lead and Copper Rule sampling data available for this water system.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

This system serves 274 ZIP codes:

20001 · 20002 · 20003 · 20004 · 20005 20006 · 20007 · 20008 · 20009 · 20010 20011 · 20012 · 20013 · 20015 · 20016 20017 · 20018 · 20019 · 20020 · 20022 20023 · 20024 · 20026 · 20027 · 20029 20030 · 20032 · 20033 · 20035 · 20036 20037 · 20038 · 20039 · 20040 · 20041 20042 · 20043 · 20044 · 20045 · 20046 20047 · 20049 · 20050 · 20051 · 20052 20053 · 20055 · 20056 · 20057 · 20058 20059 · 20060 · 20061 · 20062 · 20063 20064 · 20065 · 20066 · 20067 · 20068 20069 · 20070 · 20071 · 20073 · 20074 20075 · 20076 · 20077 · 20078 · 20080 20081 · 20082 · 20088 · 20090 · 20091 20097 · 20098 · 20201 · 20202 · 20203 20204 · 20206 · 20207 · 20208 · 20210 20211 · 20212 · 20213 · 20214 · 20215 20216 · 20217 · 20218 · 20219 · 20220 20221 · 20222 · 20223 · 20224 · 20226 20227 · 20228 · 20229 · 20230 · 20232 20233 · 20235 · 20237 · 20238 · 20239 20240 · 20241 · 20242 · 20244 · 20245 20250 · 20251 · 20252 · 20254 · 20260 20261 · 20262 · 20265 · 20266 · 20268 20270 · 20277 · 20289 · 20299 · 20301 20303 · 20306 · 20307 · 20310 · 20314 20317 · 20318 · 20319 · 20330 · 20340 20350 · 20355 · 20370 · 20372 · 20375 20380 · 20389 · 20390 · 20392 · 20393 20394 · 20395 · 20401 · 20402 · 20403 20404 · 20405 · 20406 · 20407 · 20408 20409 · 20410 · 20411 · 20412 · 20413 20414 · 20415 · 20416 · 20417 · 20418 20419 · 20420 · 20421 · 20422 · 20423 20424 · 20425 · 20426 · 20427 · 20428 20429 · 20431 · 20433 · 20434 · 20435 20436 · 20437 · 20439 · 20440 · 20441 20442 · 20444 · 20447 · 20451 · 20453 20456 · 20460 · 20463 · 20468 · 20469 20470 · 20472 · 20500 · 20501 · 20502 20503 · 20504 · 20505 · 20506 · 20507 20508 · 20509 · 20510 · 20511 · 20515 20520 · 20521 · 20522 · 20523 · 20524 20525 · 20526 · 20527 · 20528 · 20529 20530 · 20531 · 20532 · 20533 · 20534 20535 · 20536 · 20537 · 20538 · 20539 20540 · 20541 · 20542 · 20543 · 20544 20546 · 20547 · 20548 · 20549 · 20551 20552 · 20553 · 20554 · 20555 · 20557 20558 · 20559 · 20560 · 20565 · 20566 20570 · 20571 · 20572 · 20573 · 20575 20576 · 20577 · 20578 · 20579 · 20580 20581 · 20585 · 20586 · 20590 · 20591 20593 · 20594 · 20597 · 20599

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Washington Aqueduct Division. (DC0000001) on EPA.gov.

Frequently Asked Questions

Is Washington Aqueduct Division. water safe to drink?

Based on EPA records, Washington Aqueduct Division. has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Washington Aqueduct Division. serve?

Washington Aqueduct Division. serves approximately 0 people across 274 ZIP codes in District of Columbia.

Where does Washington Aqueduct Division. get its water?

The primary water source is surface water.

Frequently Asked Questions

Should I use a water filter? ▼

Washington Aqueduct Division. meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.

What is Washington Aqueduct Division.'s water source? ▼

Washington Aqueduct Division. draws water from surface water sources. Source type affects which contaminants are most likely to be present.

What is the demographic profile of Washington Aqueduct Division.'s service area? ▼

The Washington Aqueduct Division. service area has a median household income of $111,110. EPA EJScreen data classifies 35% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.

Where does Washington Aqueduct Division. get its water? ▼

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