Lynnfield Tap Water Quality Report
Lynnfield's water quality record shows 26 results on file for LYNNFIELD WATER DIST. (MWRA), none above EPA's health goals or legal limits.
No single water system serves most of Lynnfield (13,230 residents, Census 2024 estimate). Its large systems are LYNNFIELD WATER DIST. (MWRA) (EPA counts 4,820 people served, about 36% of Lynnfield's population); NORTH READING WATER DEPT. (EPA counts 15,554 people served, more than Lynnfield's population); LYNNFIELD CENTER WATER DISTRICT (EPA counts 8,277 people served, about 63% of Lynnfield's population). EPA's counts may include people served outside Lynnfield, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- LYNNFIELD WATER DIST. (MWRA): 26 contaminants tested, 0 above EPA MCLGs; health-based violations since 2020: 0
- NORTH READING WATER DEPT.: 99 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 3
- LYNNFIELD CENTER WATER DISTRICT: 174 contaminants tested, 4 above EPA MCLGs and 2 above EPA's legal limit (MCL); health-based violations since 2020: 0
1 other system serving parts of Lynnfield reports results above guidelines โ check which system bills you. LYNNFIELD CENTER WATER DISTRICT (6 above guidelines)
Other systems listed for Lynnfield with results above guidelines: NORTH READING WATER DEPT. (3 above guidelines)
Water systems
3 large systems
Residents (Census 2024)
13,230
Health-based violations since 2020
0
LYNNFIELD WATER DIST. (MWRA). EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Dec 2025 ยท LYNNFIELD WATER DIST. (MWRA)
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Lynnfield Tap Water Safe to Drink?
Lynnfield's tap water has 26 results on file for LYNNFIELD WATER DIST. (MWRA), none above EPA's health goals or legal limits. On that record the water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.
LYNNFIELD WATER DIST. (MWRA), Lynnfield's water system, serves 4,820 people. 1 other system also serves parts of Lynnfield. 1 other system is listed for Lynnfield. Each system's results are listed under its own name, never added to LYNNFIELD WATER DIST. (MWRA)'s. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LYNNFIELD WATER DIST. (MWRA) is from Dec 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Massachusetts
Lynnfield Water Service Areas

What these numbers actually mean for Lynnfield, MA
We read Lynnfield, MAโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- No result above EPA's health goals or legal limits
- 26 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Lynnfield's water
NORTH READING WATER DEPT.
PWSID MA3213000
NORTH READING WATER DEPT. reported 0.705 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.
LYNNFIELD CENTER WATER DISTRICT
PWSID MA3164000
LYNNFIELD CENTER WATER DISTRICT reported 0.35 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
LYNNFIELD WATER DIST. (MWRA)
PWSID MA3164001
No fluoride level in our data for LYNNFIELD WATER DIST. (MWRA). Your utility's annual water quality report (CCR) lists it.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
General-Purpose Water Filters for Lynnfield
Lynnfield's results show no result above EPA's health goals or legal limits, 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:
Verify Your Water at Your Own Tap
This system met every enforceable federal limit in its latest published results. Those are taken in the distribution system, not at your tap โ independent testing is what covers your own plumbing and the substances nobody sampled.

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 Lynnfield's water readings can explain
We publish a city-level hardness figure for Lynnfield, 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 Lynnfield? Public-water results do not apply to private wells. See Essex County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Lynnfield
Lynnfield's tap water has an estimated 3.6 grains per gallon (61.9 mg/L, county sampling in Essex County) โ moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 3.6 gpg water in Lynnfield 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 Massachusetts as a whole, read water softener cost in Massachusetts โ priced against the plumber wage published for the state.
Frequently Asked Questions About Lynnfield Tap Water
Lynnfield's tap water has 26 results on file for LYNNFIELD WATER DIST. (MWRA), none above EPA's health goals or legal limits. On that record the water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LYNNFIELD WATER DIST. (MWRA). For a problem with your water now (discolored water, no water, low pressure, a leak), contact LYNNFIELD WATER DIST. (MWRA) directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.