La Plata Tap Water Quality Report
La Plata's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Other systems listed for La Plata with results above guidelines: CLIFFTON ON THE POTOMAC (2 above guidelines), TURKEY HILL WATER COMPANY (2 above guidelines), CHAPEL POINT WDS/ JUDE HOUSE/ COMM CTR (2 above guidelines), BEL ALTON (2 above guidelines), HUNTERS BROOKE/FALCON RIDGE SUBD (1 above guidelines)
People Served
9,500
Health-based violations since 2020
0
TOWN OF LA PLATA. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Nov 2025 · TOWN OF LA PLATA
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is La Plata Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. La Plata's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
TOWN OF LA PLATA, La Plata's water system, serves 9,500 people. 9 other systems are listed for La Plata. Each system's results are listed under its own name, never added to TOWN OF LA PLATA's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for TOWN OF LA PLATA is from Nov 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Maryland
La Plata Water Service Areas
What these numbers actually mean for La Plata, MD
We read La Plata, MD’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 2 contaminants above EPA MCLGs and 2 contaminants with an EPA health goal detected in some samples (no level on file)
- 86 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in La Plata's water
The 5 largest of the 10 water systems serving La Plata, by population served.
TOWN OF LA PLATA
PWSID MD0080025
TOWN OF LA PLATA reported 0.8 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.
CLIFFTON ON THE POTOMAC
PWSID MD0080009
CLIFFTON ON THE POTOMAC reported 1.1 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.
HUNTERS BROOKE/FALCON RIDGE SUBD
PWSID MD0080083
HUNTERS BROOKE/FALCON RIDGE SUBD reported 1.1 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.
BEL ALTON
PWSID MD0080005
BEL ALTON reported 1.34 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.
CHAPEL POINT WDS/ JUDE HOUSE/ COMM CTR
PWSID MD0080064
CHAPEL POINT WDS/ JUDE HOUSE/ COMM CTR reported 0.9 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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Recommended Water Filters for La Plata
Based on La Plata's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity
Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity
AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)
AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What La Plata's water readings can explain
We publish a city-level hardness figure for La Plata, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near La Plata? Public-water results do not apply to private wells. See Charles County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in La Plata
La Plata's tap water has an estimated 1.8 grains per gallon (30.6 mg/L, county sampling in Charles County) — soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 1.8 gpg water in La Plata — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Maryland as a whole, read water softener cost in Maryland — priced against the plumber wage published for the state.
Frequently Asked Questions About La Plata Tap Water
La Plata's water has 2 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach TOWN OF LA PLATA. For a problem with your water now (discolored water, no water, low pressure, a leak), contact TOWN OF LA PLATA directly.
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