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Mariellen Park

Drinking water quality, contact, and Consumer Confidence Report

Serving 1 city in MD ยท PWSID MD0080028

Mariellen Park serves 184 people. See EPA records and contact info below.

Monitor
2 contaminants with an EPA health goal detected in some samples (no level on file)
People served
184
PFAS
No results on file
Health-based violations since 2020
0

Data sources: EPA SDWIS, Mariellen Park's published Consumer Confidence Report, and compliance monitoring reported to EPA by Maryland MDE Water Supply Program.

This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.

0K
People Served
1
City
1
Water Sources
0
Health-based violations since 2020

Official Mariellen Park Resources

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Mariellen Park Service Area

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Service Area

This map shows the approximate service area for Mariellen Park. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

Mariellen Park Water Quality Grade

Not graded: Monitor

Mariellen Park reads Monitor. A letter grade is given only beside a Safe verdict.

0
Above Health Guidelines
0
Health-based violations since 2020

Is Mariellen Park Water Safe to Drink?

Mariellen Park has reported 2 contaminants with an EPA health goal detected in some samples (no level on file) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 184 people across 1 city in MD. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in Maryland โ†’How does Maryland water quality rank nationally? โ†’

Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Maryland

Fluoride in Mariellen Park Water

  • Mariellen Park

    PWSID MD0080028

    Mariellen Park reported 1.07 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.

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Mariellen Park Service Area

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Mariellen Park Contact & Information

Phone

Emergency Line

301-609-3400

Mailing Address

CHARLES CO DEPT PUBLIC WORKS 5310 HAWTHORNE ROAD La Plata, MD 20646

B2B Contact Data

B2B Contact Data Available

Contacts for Mariellen Park

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
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Mโ–ˆโ–ˆโ–ˆโ–ˆ Jโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆUtility Director(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆmโ–ˆโ–ˆโ–ˆโ–ˆ@waterโ–ˆโ–ˆโ–ˆโ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

Mariellen Park Consumer Confidence Report

A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act ยง1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for Mariellen Park has not been published or validated on TapWaterData yet.

Publish your 2027 CCR

Are you the water operator here? Publish your official 2027-compliant CCR on this page โ€” residents already find it here.

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Residents: contact the utility directly using the phone number above, or check the EPAโ€™s national CCR portal. Reports are typically distributed by mail or posted on the utilityโ€™s official website.

Mariellen Park Annual Water Quality Reports

Latest Water Quality Report
Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

EPA Health-Based Violations Since 2020

Mariellen Park has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).

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Frequently Asked Questions about Mariellen Park

Is Mariellen Park water safe to drink?

Mariellen Park has reported 2 contaminants with an EPA health goal detected in some samples (no level on file) in at least one city served. We recommend reviewing individual city reports for specific water quality details.

Does Mariellen Park have PFAS in its water?

We hold no PFAS ("forever chemicals") results for Mariellen Park. That is a gap in our data, not a clean result โ€” EPA may already have sampled this system under its fifth Unregulated Contaminant Monitoring Rule (UCMR5). Contact Mariellen Park at 301-609-5611 for its latest PFAS results.

How do I pay my Mariellen Park water bill?

Mariellen Park bills can be paid at the utility's official payment portal: https://www.charlescountymd.gov/services/online-payments. For questions about your bill, call 301-609-5611.

How many people does Mariellen Park serve?

Mariellen Park serves 184 people across 1 city in MD.

What cities does Mariellen Park serve?

Mariellen Park provides water service to: La Plata, MD.

Does Mariellen Park have any EPA violations?

No. Mariellen Park has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

What is Mariellen Park's phone number?

You can contact Mariellen Park at 301-609-5611. Their mailing address is: CHARLES CO DEPT PUBLIC WORKS 5310 HAWTHORNE ROAD La Plata, MD 20646.

Where can I find Mariellen Park's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for Mariellen Park's CCR, contact them at 301-609-5611 or check back here โ€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

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How we built this page

Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data โ€” typically within days of an EPA SDWIS refresh.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page โ€” corrections feed back into the next data refresh. Learn more about TapWaterData.

Are you Mariellen Park? Publish your 2027 CCR

TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here โ€” it inherits this page's search authority and reaches every customer who Googles Mariellen Park.

  • EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
  • Publish once a year. Agent-assisted workflow; no login setup for small systems.
  • Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
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This form corrects our data; it does not reach Mariellen Park. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Mariellen Park directly.

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