EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Rockingham, New Hampshire

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems12active CWS · pop. 2,500+
Population served167,544reported total; may overlap
Current violation flag8.3%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Rockingham

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Aquarion Water/NhNH105101034,000Ground waterNo current violation flagged
Portsmouth Water WorksNH195101033,000Surface waterNo current violation flagged
Salem Water DeptNH205101021,000Surface waterNo current violation flagged
Derry Water DeptNH061101017,370Surface water purchasedNo current violation flagged
Seabrook Water DeptNH211101014,000Ground waterNo current violation flagged
Exeter Water DeptNH080101012,236Surface waterOther current violation flag
Pease Trade PortNH19510209,900Ground waterNo current violation flagged
Hampstead Area WaterNH10310107,153Surface water purchasedNo current violation flagged
LondonderryNH13910106,255Surface water purchasedNo current violation flagged
Newmarket Water WorksNH17310105,030Ground waterNo current violation flagged
Rye Water DistNH20410104,300Ground waterNo current violation flagged
Raymond Water DeptNH19710103,300Ground waterNo current violation flagged

02 / SOURCE MIX

Ground water6 systems · 70,530 served
Surface water3 systems · 66,236 served
Surface water purchased3 systems · 30,778 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.