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Rockville Tap Water Quality Report
No test results on file for Rockville's own water system: EPA's records place none of the systems listed on this page in Rockville. Results from other water systems on this page are listed under each system's name; they do not make a verdict for Rockville. Check your water utility's latest Consumer Confidence Report for its current test results.
Other systems listed for Rockville with results above guidelines: PELHAM MANOR (2 above guidelines), NORMAN ACRES SUBDIVISION (2 above guidelines), YORK TERRACE SYSTEM (2 above guidelines), LAKE HOLIDAY ESTATES (4 above guidelines), RAINBOW FOREST (2 above guidelines), EARLYSVILLE FOREST (2 above guidelines), FIVE LAKES NO 1 (2 above guidelines), MOUNTAIN VIEW TRAILER PARK (1 above guidelines), CARVER GARDENS (2 above guidelines), SHAWNEE LAND (1 above guidelines), OAKWOOD/PARKVIEW (2 above guidelines)
Water system
Not identified
EPA's records place none of the systems on this page in Rockville.
14 other systems are listed for Rockville. See their figures
Health-based violations since 2020
No EPA violation record on file
Is Rockville Tap Water Safe to Drink?
Everything we hold on Rockville's water is below โ a thin record, not a clean one. Testing your own water is the way to find out what your tap is actually delivering.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Virginia
Rockville Water Service Areas
Fluoride in Rockville's water
The 5 largest of the 14 water systems serving Rockville, by population served.
LAKE HOLIDAY ESTATES
PWSID VA2069650
LAKE HOLIDAY ESTATES reported 0.0956 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
RAINBOW FOREST
PWSID VA2023480
RAINBOW FOREST reported 0.22 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
STONEY CREEK VILLAGE
PWSID VA2125950
Fluoride was detected in 33.3% of STONEY CREEK VILLAGE's samples (median below the detection limit).
YORK TERRACE SYSTEM
PWSID VA3199995
No fluoride level in our data for YORK TERRACE SYSTEM. Your utility's annual water quality report (CCR) lists it.
OAKWOOD/PARKVIEW
PWSID VA2023470
OAKWOOD/PARKVIEW reported 0.07 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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General-Purpose Water Filters for Rockville
No test results are on file for Rockville's own water system, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
No test results on file โ test your own tap
We don't hold water-quality results for this system yet, so nobody can tell you what is in your water from published data. A certified lab test is the way to find out.

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 Rockville's water readings can explain
We publish a city-level hardness figure for Rockville, 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 Rockville? Public-water results do not apply to private wells. See Hanover County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Rockville
Rockville's tap water has an estimated 1.4 grains per gallon (23.0 mg/L, county sampling in Hanover County) โ soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 1.4 gpg water in Rockville โ 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 โ equipment, installation labour and ten-year ownership, each separated out. For Virginia as a whole, read water softener cost in Virginia โ priced against the plumber wage published for the state.
Frequently Asked Questions About Rockville Tap Water
No test results on file for Rockville's own water system: EPA's records place none of the systems listed on this page in Rockville. Results from other water systems on this page are listed under each system's name; they do not make a verdict for Rockville. Check your water utility's latest Consumer Confidence Report for its current test results.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach your water utility. For a problem with your water now (discolored water, no water, low pressure, a leak), contact your water utility directly.
Check another location
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