Glan Llyn is one of four regeneration schemes currently underway by St Modwen in south Wales.
McDonald defends the move, saying Llyn Tegid made Pearl and Glencairn employees eligible for group insurance.
Gwynedd council said road conditions south of Caernarfon and towards the Llyn peninsula are "difficult".
BBC: Wales snow: Roads closed as weather moves to north Wales
The body of a woman, 56, was found in the Llyn Brianne reservoir, near Llandovery, later the same day.
BBC: NEWS | UK | Wales | South West Wales | Dead bodies 'could be connected'
Supplier Scottish Power said there are pockets of customers - mainly in Gwynedd and on the Llyn Peninsula affected.
BBC: Western Power supplies cut by snow in south and west Wales
The road between Cerrigydrudion and Denbigh, near Llyn Brenig in Conwy, was reported to be treacherous with snowdrifts building.
BBC: Wales snow: Roads closed as weather moves to north Wales
Ben Roberts, from Wythenshawe, was on a camping trip with friends when they took a dip in Llyn Gwynant on Saturday.
Pockets of customers were affected mainly around Gwynedd, including the Llyn Peninsula.
BBC: Power supplies restored in Wales after snow caused faults
Elsewhere, there have been reports of water problems in Rhiw, Gwynedd, with customers without water or low pressure in the Llyn Peninsula (LL53).
The announcement comes after RNLI crews at Porthdinllaen on the Llyn Peninsula received their new lifeboat on 20 August, the John D Spicer.
"Seeing all these Scottish fans drinking beer in the streets of Liverpool was a bit of a shock for an 11-year-old boy from Pen Llyn, " he said.
One of the sites being considered to is that of Dylan Parry's farm, Ty Ucha'r Llyn, in the hills above Gwyddelwern, which has been worked by the same family for six generations.
Bu'r ACau yn holi Mr Jones ar bynciau amrywiol gan gynnwys lleddfu effaith y dirwasgiad ar Gymru, lliniaru'r newid yn yr hinsawdd a dyfodol statws Llyn Padarn fel safle o ddiddordeb gwyddonol arbennig.
The county also has Snowdon, at 1, 085m (3, 559ft) the highest mountain in Wales and England and Wales, while the largest lake in Wales in Llyn Tegid near Bala, which is four miles (6.4km) long.
The new community to the east of Newport will be called Glan Llyn and the 600-acre site, which was acquired by St Modwen in 2004, includes plans for schools, a police station, new access roads, as well as health and leisure facilities.
As other collectors flock to either bright, young emerging stars or established artists with big reputations, Jovanovic looks at the merits of buying the work of older artists such as Judith Bernstein or Llyn Foulkes that already have an impressive body of work behind them and that are belatedly receiving attention later in their careers from galleries or museums.
If Elin Jones appeals to party members and is elected leader, she will try to broaden Plaid's appeal, to - as she's put it - the plumber in Swansea and the family who has moved into the Llyn peninsula - persuading anyone with ambition for Wales but who've never given Plaid their vote in the past to give it to them under her leadership.
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