Residents in a northern New Jersey city grew more frustrated Monday as they endured a fourth day with little or no water service following a water main break. Some were relying on portable showers and toilets to meet their basic needs.

But officials in Paterson — the state’s third-largest city — said some relief should arrive by Tuesday night.

The problems began Friday when a 30-inch, 140-year-old water main broke. Some residents have had no water service since and thousands are dealing with extremely low water pressure.

Nearly 200,000 customers remain under a boil water order issued by the Passaic Valley Water Commission. The advisory — which asks residents not to fill large jugs or containers, water lawns or open hydrants until at least Friday — affects Paterson and three other smal

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