The Washington Capitals have allowed the most goals by a team in a season, with 446 allowed in 1974-75.

	TEAM	GA	SEASON	GP	W	L	T	PTS	PTS%	G	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Capitals	446	1974-75	80	8	67	5	21	.131	181	-265			23.06	9.8	38.30	.854
2	Red Wings	415	1985-86	80	17	57	6	40	.250	266	-149	20.9	71.0	28.50	11.7	32.85	.842
3	Sharks	414	1992-93	84	11	71	2	24	.143	218	-196	16.1	76.6	28.38	9.1	36.67	.866
4	Nordiques	407	1989-90	80	12	61	7	31	.194	240	-167	18.9	74.3	28.76	10.4	34.42	.852
5	Whalers	403	1982-83	80	19	54	7	45	.281	261	-142	19.0	75.4	28.58	11.4	35.89	.860
6	Canucks	401	1984-85	80	25	46	9	59	.369	284	-117	19.5	70.5	31.16	11.4	33.26	.849
7	Jets	400	1980-81	80	9	57	14	32	.200	246	-154	17.3	74.2	28.28	10.9	34.90	.857
8	Senators	397	1993-94	84	14	61	9	37	.220	201	-196	14.5	73.3	25.58	9.4	33.05	.857
9	Senators	395	1992-93	84	10	70	4	24	.143	202	-193	14.7	75.0	27.15	8.9	31.83	.852
10	Penguins	394	1982-83	80	18	53	9	45	.281	257	-137	22.5	72.5	30.23	10.6	32.69	.849
11	Capitals	394	1975-76	80	11	59	10	32	.200	224	-170			24.41	11.5	36.94	.867
12	Penguins	390	1983-84	80	16	58	6	38	.238	254	-136	20.9	76.0	28.34	11.2	36.35	.866
13	Kings	389	1985-86	80	23	49	8	54	.338	284	-105	17.5	71.9	30.30	11.7	32.63	.851
14	Maple Leafs	387	1983-84	80	26	45	9	61	.381	303	-84	21.7	73.6	29.36	12.9	35.40	.863
15	Maple Leafs	386	1985-86	80	25	48	7	57	.356	311	-75	18.3	77.3	31.33	12.4	34.66	.861
16	Penguins	385	1984-85	80	24	51	5	53	.331	276	-109	17.3	76.0	28.13	12.3	37.04	.870
17	Maple Leafs	380	1981-82	80	20	44	16	56	.350	298	-82	20.3	73.0	29.10	12.8	34.71	.863
18	Kings	376	1983-84	80	23	44	13	59	.369	309	-67	20.8	72.1	30.89	12.5	31.69	.852
19	Devils	374	1985-86	80	28	49	3	59	.369	300	-74	19.6	74.3	29.18	12.9	31.16	.850
20	Jets	374	1983-84	80	31	38	11	73	.456	340	-34	21.5	74.6	32.26	13.2	32.69	.857
21	Jets	372	1985-86	80	26	47	7	59	.369	295	-77	20.2	74.9	31.84	11.6	29.93	.845
22	Whalers	372	1980-81	80	21	41	18	60	.375	292	-80	18.7	75.6	28.75	12.7	35.39	.869
23	Whalers	369	1992-93	84	26	52	6	58	.345	284	-85	17.6	78.3	26.10	13.0	34.11	.871
24	Kings	369	1981-82	80	24	41	15	63	.394	314	-55	21.2	71.7	32.01	12.3	30.59	.849
25	Devils	368	1986-87	80	29	45	6	64	.400	293	-75	21.9	73.2	29.46	12.4	33.64	.863